The Centrosome in Cell Replicatio n and Early Developmen t

Size: px
Start display at page:

Download "The Centrosome in Cell Replicatio n and Early Developmen t"

Transcription

1 The Centrosome in Cell Replicatio n and Early Developmen t Robert E. Palazzo Gerald P. Schatten

2

3 Contributors Preface xix xv 1 The Centrosome and Parthenogenesi s Thomas Küntziger and Michel Bornens I. Introduction 1 II. Toward a Functional Description of the Centrosome 2 III. The Centrosome Organelle versus Self-Assembled Centers 1 2 IV. Centrosome Reproduction and the Parthenogenetic Activity of the Centrosome 1 3 V. Conclusion 1 8 References y-tubuli n Berl R. Oakle y I. Centrosomes and Microtubule Nucleation 27 II y-tubulin and the Tubulin Superfamily of Proteins 30 III. Distribution of y-tubulin in Cells 3 3 IV. Studies of y-tubulin Function 39 V. y-tubulin and Microtubule Assembly : Current Knowledge and Unanswered Questions 45 VI. Concluding Remarks 4 9 References y-tubulin Complexes and Their Role in Microtubule Nucleatio n Ruwanthi N. Gunawardane, Sofia B. Lizarraga, Christiane Wiese, Andrew Wilde, and Yixian Zheng I. Introduction 5 5 II. Biochemical and Structural Studies of yturc and ytusc 57

4 III. Evidence That yturc Is the Major Microtubule Nucleator a t the Centrosome 64 IV. The Mechanism of Microtubule Nucleation 65 V. Concluding Remarks 69 References y-tubulin of Budding Yeast Jackie Vogel and Michael Snyder I. Introduction 7 5 II. Tubulins of Yeast 8 0 III. Interactions between Tubulins 88 IV. The y-tubulin Complex in Yeast 9 1 V. Future Directions 9 5 References 97 5 The Spindle Pole Body of Saccharomyces cerevisiae : Architecture and Assembly of the Core Components Susan E. Francis and Trisha N. Davis I. Introduction 10 5 II. SPB Duplication and Assembly of the Mitotic Spindle 10 6 III. Structure of the SPB 107 IV. SPB Core Components 109 V. Assembly of the Core SPB Components 122 VI. Transcriptional Regulation of Core SPB Components 123 VII. Ilomologs of Spindle Pole Components i n Other Organisms 124 VIII. Future Directions 125 References The Microtubule Organizing Centers of Schizosaccharomyces pomb e lain M. Hagan and Janni Peterse n L Introduction 13 3 II. Cytoplasmic Microtubule Organizing Centers 136

5 III. The Spindle Pole Body 13 8 IV. Molecular Characterization of SPB Components 14 9 V. Perspectives 15 3 References Comparative Structural, Molecular, and Functional Aspects of th e Dictyostelium discoideum Centrosom e Ralph Gräf, Nicole Brusis, Christine Daunderer, Ursula Euteneuer, Andrea Hestermann, Manfred Schliwa, and Masahiro Ueda I. Introduction 16 1 II. Comparative Morphology of the Dictyostelium Centrosome 163 IT I. Comparative Analysis of Dictyostelium Centrosome Duplication 167 IV. Comparative Molecular Biology of the Dictyostelium Centrosome 17 1 V. Conclusions 17 9 References Are There Nucleic Acids in the Centrosome? Wallace F. Marshall and Joel L. Rosenbau m I. Introduction 187 II. Do Centrioles or Centrosomes Contain DNA? 188 III. Do Centrosomes Contain RNA? 19 7 IV. Conclusions 20 1 References Basal Bodies and Centrioles : Their Function and Structure Andrea M. Preble, Thomas M. Giddings, Jr., and Susan K. Dutche r I. Introduction to Centrioles and Basal Bodies 20 7 II. The Structure of Centrioles and Basal Bodies 212 III. The Function of Basal Bodies and Centrioles as Revealed b y Mutational Analysis 22 1 IV. Basal Body/Centriole Replication 226 References 228

6 16 Centrosome Reduction during Mammalian Spermiogenesi s G. Manandhar, C. Simerly, and G. Schatte n I. Introduction 343 IL Overview of Mammalian Spermiogenesis 345 III. Stages of Centrosome Reduction during Spermiogenesis 347 IV. Conclusions 35 8 References The Centrosome of the Early C. elegans Embryo : Inheritance, Assembly, Replication, and Developmental Roles Kevin F. O'Connell I. Why C. elegans? 36 5 II. Origin and Replication of the Zygotic Centrosomes 367 III. The Central Role of the Centrosome-Pronucleus Complex in Specifyin g AP Polarity 374 IV. Nuclear Positioning 378 V. Concluding Remarks 38 0 References The Centrosome in Drosophila Oocyte Developmen t Timothy L. Megraw and Thomas C. Kaufma n I. Introduction 38 5 II. The Germarium : Centrosomes Are Anchored to Achieve Polarize d Cell Divisions 387 III. The Oocyte MTOC 39 1 IV. Meiosis 396 V. Summary 40 0 References The Centrosome in Early Drosophila Embryogenesi s W. F. Roth well and W. Sulliva n I. Introduction 41 0 II. Ultrastructure 412

7 III. Composition 41 5 IV. Duplication and Separation 42 1 V. Fertilization and the First Mitotic Division 427 VI. Precortical Divisions 43 0 VII. Cortical Divisions 432 References Centrosome Maturatio n Robert E. Palazzo, Jacalyn M. Vogel, Bradley]. Schnackenberg, Dawn R. Hull, and Xingyong Wu I. Introduction 44 9 II. Centrosome Maturation 45 1 III. Centrosome Structure and Microtubule Nucleation Potential 45 3 IV. The Role of the Centriole 457 V. The Procentrosome 45 8 VI. Paternal versus Maternal Centrosomes 460 VII. Summary 462 References 46 3 Index 47 1 Contents of Previous Volumes 485

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles LECTURE PRESENTATIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson Chapter 13 Meiosis and Sexual Life Cycles

More information

Name Chapter 10: Chromosomes, Mitosis, and Meiosis Mrs. Laux Take home test #7 DUE: MONDAY, NOVEMBER 16, 2009 MULTIPLE CHOICE QUESTIONS

Name Chapter 10: Chromosomes, Mitosis, and Meiosis Mrs. Laux Take home test #7 DUE: MONDAY, NOVEMBER 16, 2009 MULTIPLE CHOICE QUESTIONS MULTIPLE CHOICE QUESTIONS 1. A bacterial chromosome consists of: A. a linear DNA molecule many times larger than the cell. B. a circular DNA molecule many times larger than the cell. C. a circular DNA

More information

Chapter 13: Meiosis and Sexual Life Cycles Overview: Hereditary Similarity and Variation

Chapter 13: Meiosis and Sexual Life Cycles Overview: Hereditary Similarity and Variation Chapter 13: Meiosis and Sexual Life Cycles Overview: Hereditary Similarity and Variation Living organisms Are distinguished by their ability to reproduce their own kind Biology, 7 th Edition Neil Campbell

More information

Cell Division THE MAJOR STEPS OF CELL DIVISION: 10/28/2013. When does DNA replicate? The first step of cell division is DNA replication:

Cell Division THE MAJOR STEPS OF CELL DIVISION: 10/28/2013. When does DNA replicate? The first step of cell division is DNA replication: Cell Division Biology 105 Laboratory 8 THE MAJOR STEPS OF CELL DIVISION: When does DNA replicate? The first step of cell division is DNA replication: This occurs just prior to cell division. Cells need

More information

Honors Biology Test Chapter 8 Mitosis and Meiosis

Honors Biology Test Chapter 8 Mitosis and Meiosis Honors Biology Test Chapter 8 Mitosis and Meiosis 1. In mitosis, if a parent cell has 16 chromosomes, each daughter cell will have how many chromosomes? a. 64 b. 32 c. 16 d. 8 e. 4 2. Chromatids that are

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles CAMPBELL BIOLOGY IN FOCUS URRY CAIN WASSERMAN MINORSKY REECE 10 Meiosis and Sexual Life Cycles Lecture Presentations by Kathleen Fitzpatrick and Nicole Tunbridge, Simon Fraser University SECOND EDITION

More information

Cell Division. Mitosis

Cell Division. Mitosis Cell division consists of two phases, nuclear division followed by cytokinesis. Nuclear division divides the genetic material in the nucleus, while cytokinesis divides the cytoplasm. There are two kinds

More information

THE CELL CYCLE EOC QUIZ

THE CELL CYCLE EOC QUIZ THE CELL CYCLE EOC QUIZ This quiz is composed of 8 EOC type questions Each question is followed by the same question with the correct answer highlighted Therefore, Read the questions and the choices, &

More information

Mitosis, development, regeneration and cell differentiation

Mitosis, development, regeneration and cell differentiation Mitosis, development, regeneration and cell differentiation Mitosis is a type of cell division by binary fission (splitting in two) which occurs in certain eukaryotic cells. Mitosis generates new body

More information

16 The Cell Cycle. Chapter Outline The Eukaryotic Cell Cycle Regulators of Cell Cycle Progression The Events of M Phase Meiosis and Fertilization

16 The Cell Cycle. Chapter Outline The Eukaryotic Cell Cycle Regulators of Cell Cycle Progression The Events of M Phase Meiosis and Fertilization The Cell Cycle 16 The Cell Cycle Chapter Outline The Eukaryotic Cell Cycle Regulators of Cell Cycle Progression The Events of M Phase Meiosis and Fertilization Introduction Self-reproduction is perhaps

More information

Learning Objectives LO 3.7 The student can make predictions about natural phenomena occurring during the cell cycle. [See SP 6.4]

Learning Objectives LO 3.7 The student can make predictions about natural phenomena occurring during the cell cycle. [See SP 6.4] Big Ideas 3.A.2: In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle and mitosis or meiosis plus fertilization. CHAPTER 13 MEIOSIS AND SEXUAL

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles 13 Meiosis and Sexual Life Cycles Lecture Presentation by Nicole Tunbridge and Kathleen Fitzpatrick CAMPBELL BIOLOGY TENTH EDITION Reece Urry Cain Wasserman Minorsky Jackson Variations on a Theme Living

More information

Bio 105: Cell Division

Bio 105: Cell Division Cell Division Bio 105: Cell Division Starts with DNA Replication Laboratory 8 DNA Replication When does DNA replicate? Just prior to cell division Multicellular Organisms Grow Replace old cells Unicellular

More information

Lecture #13 10/3 Dr. Wormington

Lecture #13 10/3 Dr. Wormington Lecture #13 10/3 Dr. Wormington The Molecular "Logic" of the Cell Cycle Recap 1. Cdks generally present throughout cell cycle but are inactive w/o cyclin subunits. 2. Cyclin subunits synthesized in discrete

More information

Overview. Overview: Variations on a Theme. Offspring acquire genes from parents by inheriting chromosomes. Inheritance of Genes

Overview. Overview: Variations on a Theme. Offspring acquire genes from parents by inheriting chromosomes. Inheritance of Genes Chapter 13 Meiosis and Sexual Life Cycles Overview I. Cell Types II. Meiosis I. Meiosis I II. Meiosis II III. Genetic Variation IV. Reproduction Overview: Variations on a Theme Figure 13.1 Living organisms

More information

Cell Reproduction. Objectives

Cell Reproduction. Objectives Cell Reproduction Lecture 10 Objectives At the end of this series of lectures you should be able to: Define terms. Describe the functions of cellular reproduction. Compare the parent offspring relationship

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles Chapter 13 Meiosis and Sexual Life Cycles PowerPoint Lecture Presentations for Biology Eighth Edition Neil Campbell and Jane Reece Lectures by Chris Romero, updated by Erin Barley with contributions from

More information

ACCELERATE ITS BIOCHEMICAL PROCESSES WHICH WERE SLOWED DOWN BY MITOSIS. THE LENGTH OF THE G1 PHASE CREATES THE DIFFERENCE BETWEEN FAST DIVIDING

ACCELERATE ITS BIOCHEMICAL PROCESSES WHICH WERE SLOWED DOWN BY MITOSIS. THE LENGTH OF THE G1 PHASE CREATES THE DIFFERENCE BETWEEN FAST DIVIDING CHAPTER 1: OVERVIEW OF THE CELL CYCLE THE THREE STAGES OF INTERPHASE: INTERPHASE BEFORE A CELL CAN ENTER CELL DIVISION, IT NEEDS TO PREPARE ITSELF BY REPLICATING ITS GENETIC INFORMATION AND ALL OF THE

More information

BIOLOGY. Meiosis and Sexual Life Cycles CAMPBELL. Reece Urry Cain Wasserman Minorsky Jackson

BIOLOGY. Meiosis and Sexual Life Cycles CAMPBELL. Reece Urry Cain Wasserman Minorsky Jackson CAMPBELL BIOLOGY TENTH EDITION Reece Urry Cain Wasserman Minorsky Jackson 13 Meiosis and Sexual Life Cycles Lecture Presentation by Nicole Tunbridge and Kathleen Fitzpatrick Variations on a Theme Living

More information

Segregation and the Principle of independent assortment

Segregation and the Principle of independent assortment . Segregation and the Principle of independent assortment The Principle of Independent Assortment describes how different genes independently separate from one another when reproductive cells develop.

More information

The Cell Cycle. Chapter 12

The Cell Cycle. Chapter 12 The Cell Cycle Chapter 12 Why are cells small? As cells get bigger they don t work as well WHY? Difficulties Larger Cells Have: More demands on its DNA Less efficient in moving nutrients/waste across its

More information

Cell division / Asexual reproduction

Cell division / Asexual reproduction Cell division / Asexual reproduction Mitosis produces cells with same information identical daughter cells exact copies clones same amount of DNA same number of chromosomes same genetic information Asexual

More information

Heredity Variation Genetics Meiosis

Heredity Variation Genetics Meiosis Genetics Warm Up Exercise: -Using your previous knowledge of genetics, determine what maternal genotype would most likely yield offspring with such characteristics. -Use the genotype that you came up with

More information

AP Biology - Cell cycle / division

AP Biology - Cell cycle / division AP Biology - Cell cycle / division Quiz Directions 1. During which stage does DNA replication occur? A. Prophase B. Metaphase C. Anaphase D. none of these 2. At what phase in the cell cycle does DNA replication

More information

SEXUAL REPRODUCTION & MEIOSIS

SEXUAL REPRODUCTION & MEIOSIS SEXUAL REPRODUCTION & MEIOSIS Living organisms are distinguished by their ability to reproduce their own kind. Offspring resemble their parents more than they do less closely related individuals of the

More information

Sexual Reproduction and Meiosis. Outline. Random?? fertilization. Chapter 13

Sexual Reproduction and Meiosis. Outline. Random?? fertilization. Chapter 13 Sexual Reproduction and Meiosis Chapter 13 Outline Reduction Division Unique Features of Meiosis Prophase I Metaphase I Completing Meiosis Second Meiotic Division Sexual Reproduction Origin and Maintenance

More information

Class XI Chapter 10 Cell Cycle and Cell Division Biology

Class XI Chapter 10 Cell Cycle and Cell Division Biology Question 1: What is the average cell cycle span for a mammalian cell? The average cell cycle span for a mammalian cell is approximately 24 hours. Question 2: Distinguish cytokinesis from karyokinesis.

More information

Essential Knowledge: In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle and mitosis OR

Essential Knowledge: In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle and mitosis OR Essential Knowledge: In eukaryotes, heritable information is passed to the next generation via processes that include the cell cycle and mitosis OR meiosis plus fertilization Objective: You will be able

More information

Cell Reproduction Review

Cell Reproduction Review Name Date Period Cell Reproduction Review Explain what is occurring in each part of the cell cycle --- G 0, G1, S, G2, and M. 1 CELL DIVISION Label all parts of each cell in the cell cycle and explain

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles Chapter 13 Meiosis and Sexual Life Cycles PowerPoint Lecture Presentations for Biology Eighth Edition Neil Campbell and Jane Reece Lectures by Chris Romero, updated by Erin Barley with contributions from

More information

Learning Objectives Chapter 8

Learning Objectives Chapter 8 Learning Objectives Chapter 8 Brief overview of prokaryotic cell replication The three main phases of eukaryotic cell division: Interphase, M phase, C phase Interphase is broken down into three sub-phases

More information

Cell Division. Mitosis 11/8/2016

Cell Division. Mitosis 11/8/2016 Cell division consists of two phases, nuclear division followed by cytokinesis. Nuclear division divides the genetic material in the nucleus, while cytokinesis divides the cytoplasm. There are two kinds

More information

CHAPTER 12 - THE CELL CYCLE (pgs )

CHAPTER 12 - THE CELL CYCLE (pgs ) CHAPTER 12 - THE CELL CYCLE (pgs. 228-245) CHAPTER SEVEN TARGETS I. Describe the importance of mitosis in single-celled and multi-cellular organisms. II. Explain the organization of DNA molecules and their

More information

Almost all human cells contain 46 chromosomes, and are diploid (2n). Q: If a sperm cell has 46 chromosomes (2n) & an egg cell has 46 chromosomes

Almost all human cells contain 46 chromosomes, and are diploid (2n). Q: If a sperm cell has 46 chromosomes (2n) & an egg cell has 46 chromosomes Almost all human cells contain 46 chromosomes, and are diploid (2n). Q: If a sperm cell has 46 chromosomes (2n) & an egg cell has 46 chromosomes (2n), when they combine during fertilization, how many chromosomes

More information

CH 13 Meiosis & Sexual Life Cycles

CH 13 Meiosis & Sexual Life Cycles CH 13 Meiosis & Sexual Life Cycles AP Biology 2005-2006 Cell division / Asexual reproduction Mitosis produce cells with same information identical daughter cells exact copies clones same amount of DNA

More information

11-4 Meiosis. Chromosome Number

11-4 Meiosis. Chromosome Number 11-4 Meiosis Chromosome Number Sexual reproduction shuffles and recombines genes from two parents. During gametogenesis, genes are segregated and assorted (shuffled) into gemetes, and at fertilization,

More information

Heredity Variation Genetics Meiosis

Heredity Variation Genetics Meiosis Genetics Warm Up Exercise: -Using your previous knowledge of genetics, determine what maternal genotype would most likely yield offspring with such characteristics. -Use the genotype that you came up with

More information

Cellular Reproduction = Cell Division. Passes on Genes from Cells to Cells Reproduction of Organisms

Cellular Reproduction = Cell Division. Passes on Genes from Cells to Cells Reproduction of Organisms Cellular Reproduction = Cell Division Passes on Genes from Cells to Cells Reproduction of Organisms Genes DNA Chromatin fiber Chromosomes Fig. 9.6 Genes, the segments of DNA, are part of chromatin fiber

More information

Meiosis. The form of cell division by which gametes, with half the regular number of chromosomes, are produced.

Meiosis. The form of cell division by which gametes, with half the regular number of chromosomes, are produced. MEIOSIS Meiosis The form of cell division by which gametes, with half the regular number of chromosomes, are produced. diploid (2n) haploid (n) (complete set of chromosomes) (half the regular number of

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles Chapter 13 Meiosis and Sexual Life Cycles PowerPoint Lecture Presentations for Biology Eighth Edition Neil Campbell and Jane Reece Lectures by Chris Romero, updated by Erin Barley with contributions from

More information

A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42). As in humans, sex chromosomes determine sex: XX in females and XY in males.

A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42). As in humans, sex chromosomes determine sex: XX in females and XY in males. Multiple Choice Use the following information for questions 1-3. A diploid somatic cell from a rat has a total of 42 chromosomes (2n = 42). As in humans, sex chromosomes determine sex: XX in females and

More information

Meiosis and Sexual Reproduction

Meiosis and Sexual Reproduction Meiosis and Sexual Reproduction Asexual Reproduction Single parent produces offspring All offspring are genetically identical to one another and to parent Produces identical somatic (body) cells Sexual

More information

Biology 067 Section 14 Cell Division. A. Definitions:

Biology 067 Section 14 Cell Division. A. Definitions: Biology 067 Section 14 Cell Division A. Definitions: In a human cell, a nucleus holds all the chromatin that condenses to form chromosomes when cells divide every cell in the body has the same set of chromosomes

More information

Class XI Chapter 10 Cell Cycle and Cell Division Biology

Class XI Chapter 10 Cell Cycle and Cell Division Biology Question 1: What is the average cell cycle span for a mammalian cell? The average cell cycle span for a mammalian cell is approximately 24 hours. Question 2: Distinguish cytokinesis from karyokinesis.

More information

Biology 321 Genetics Winter 2009

Biology 321 Genetics Winter 2009 Biology 321 Genetics Winter 2009 Dr. Sandra Schulze Office BI409 Office Hours: WF 4:00PM 5:00PM Grading Exam I: 25% Exam II: 25% Exam III: 25% Problem sets 25%* No specific grades for attendance or participation,

More information

Meiosis and Sexual Reproduction. Chapter 9

Meiosis and Sexual Reproduction. Chapter 9 Meiosis and Sexual Reproduction Chapter 9 9.1 Genes and Alleles Genes Sequences of DNA that encode heritable traits Alleles Slightly different forms of the same gene Each specifies a different version

More information

Typical Life Cycle of Algae and Fungi. 5 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Typical Life Cycle of Algae and Fungi. 5 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Module 3B Meiosis and Sexual Life Cycles In this module, we will examine a second type of cell division used by eukaryotic cells called meiosis. In addition, we will see how the 2 types of eukaryotic cell

More information

Cell Growth, Division, and Reproduction

Cell Growth, Division, and Reproduction Cell Growth, Division, and Reproduction Human Development: Mitosis and Meiosis Division of the Cell Before a cell grows too large, it divides into two new daughter cells in a process called cell division.

More information

CELL REPRODUCTION. Unit 20 LEARNING OBJECTIVES:

CELL REPRODUCTION. Unit 20 LEARNING OBJECTIVES: Unit 20 CELL REPRODUCTION LEARNING OBJECTIVES: 1. Be able to distinguish the differences between mitotic and meiotic cell division. 2. Learn the role that both mitotic and meiotic types of cell division

More information

Module B Unit 5 Cell Growth and Reproduction. Mr. Mitcheltree

Module B Unit 5 Cell Growth and Reproduction. Mr. Mitcheltree Module B Unit 5 Cell Growth and Reproduction Mr. Mitcheltree DNA and Genetics - The Cell and Inheritance Gene = group of codons that code for a specific protein Allele = alternate form of a gene A dominant,

More information

The Process of Cell Division. Lesson Overview. Lesson Overview The Process of Cell Division

The Process of Cell Division. Lesson Overview. Lesson Overview The Process of Cell Division Lesson Overview 10.2 The Process of Cell Division Chromosomes genetic information passed from parent to offspring is carried by chromosomes. Chromosomes enable precise DNA separation during cell division.

More information

Biology Unit 6 Chromosomes and Mitosis

Biology Unit 6 Chromosomes and Mitosis Biology Unit 6 Chromosomes and Mitosis 6:1 Chromosomes DNA GENES CHROMATIN/CHROMOSOMES CHROMOSOMES/CHROMATIN are made of units called GENES. GENES are made of a compound called deoxyribonucleic acid or

More information

Cell Growth and Division

Cell Growth and Division Cell Growth and Division Why do cells divide* Life and reproduction require cell division You require constant cell reproduction to live Mitosis: development (a) mitotic cell division (b) mitotic cell

More information

Cell Division (Outline)

Cell Division (Outline) Cell Division (Outline) 1. Overview of purpose and roles. Comparison of prokaryotic and eukaryotic chromosomes and relation between organelles and cell division. 2. Eukaryotic cell reproduction: asexual

More information

Question 1: What is the average cell cycle span for a mammalian cell? The average cell cycle span for a mammalian cell is approximately 24 hours. Question 2: Distinguish cytokinesis from karyokinesis.

More information

Place the definition s corresponding number to the vocabulary term.

Place the definition s corresponding number to the vocabulary term. UNIT 5 CP BIOLOGY: ular Division Differentiation Stem UNIT 5 CP BIOLOGY: ular Division Differentiation Stem CP: 1. First phase of mitosis when chromatin condenses, the nuclear envelope breaks down, the

More information

Chromosome duplication and distribution during cell division

Chromosome duplication and distribution during cell division CELL DIVISION AND HEREDITY Student Packet SUMMARY IN EUKARYOTES, HERITABLE INFORMATION IS PASSED TO THE NEXT GENERATION VIA PROCESSES THAT INCLUDE THE CELL CYCLE, MITOSIS /MEIOSIS AND FERTILIZATION Mitosis

More information

Meiosis. Bởi: OpenStaxCollege

Meiosis. Bởi: OpenStaxCollege Meiosis Bởi: OpenStaxCollege Sexual reproduction requires fertilization, a union of two cells from two individual organisms. If those two cells each contain one set of chromosomes, then the resulting cell

More information

Mitosis and. Meiosis. Presented by Kesler Science

Mitosis and. Meiosis. Presented by Kesler Science Mitosis and Meiosis Presented by Kesler Science Essential Questions: 1. What are mitosis and meiosis? 2. What occurs at different phases in cell division? 3. How are mitosis and meiosis similar and different?

More information

Investigation 7 Part 1: CELL DIVISION: MITOSIS

Investigation 7 Part 1: CELL DIVISION: MITOSIS Investigation 7 Part 1: CELL DIVISION: MITOSIS How do eukaryotic cells divide to produce genetically identical cells? BACKGROUND One of the characteristics of living things is the ability to replicate

More information

LECTURE 10A: MEIO S S

LECTURE 10A: MEIO S S LECTURE 10A: MEIOSIS Meiosis Definition INTRODUCTION 1. Meiosis is the production of gametes, which is a reduction division which means a diploid gamete produces haploid gametes - from a full complement

More information

A Few Terms: When and where do you want your cells to divide?

A Few Terms: When and where do you want your cells to divide? Today: - Lab 4 Debrief - Mitosis - Lunch -Meiosis Other: Blood Drive Today! TIME: 11:00am 1:00pm + 2:00pm 5:00pm PLACE: Baxter Events Center Thinking About Mitosis When and where do you want your cells

More information

Chapter 12: The Cell Cycle. 2. What is the meaning of genome? Compare your genome to that of a prokaryotic cell.

Chapter 12: The Cell Cycle. 2. What is the meaning of genome? Compare your genome to that of a prokaryotic cell. Name: AP Bio Chapter 12: The Cell Cycle 12.1 Cell division results in genetically identical daughter cells 1. What is meant by the cell cycle? 2. What is the meaning of genome? Compare your genome to that

More information

2:1 Chromosomes DNA Genes Chromatin Chromosomes CHROMATIN: nuclear material in non-dividing cell, composed of DNA/protein in thin uncoiled strands

2:1 Chromosomes DNA Genes Chromatin Chromosomes CHROMATIN: nuclear material in non-dividing cell, composed of DNA/protein in thin uncoiled strands Human Heredity Chapter 2 Chromosomes, Mitosis, and Meiosis 2:1 Chromosomes DNA Genes Chromatin Chromosomes CHROMATIN: nuclear material in non-dividing cell, composed of DNA/protein in thin uncoiled strands

More information

Sexual life cycle. Sexual life cycle. Fertilization. Sexual Reproduction and Meiosis. Made up of meiosis and fertilization Diploid cells (2n)

Sexual life cycle. Sexual life cycle. Fertilization. Sexual Reproduction and Meiosis. Made up of meiosis and fertilization Diploid cells (2n) Sexual life cycle Sexual Reproduction and Meiosis Made up of meiosis and fertilization Diploid cells (2n) Chapter 11 Somatic cells of adults have 2 sets of Haploid cells (n) Gametes have only 1 set of

More information

Meiosis, Sexual Reproduction, & Genetic Variability

Meiosis, Sexual Reproduction, & Genetic Variability Meiosis, Sexual Reproduction, & Genetic Variability Teachers Guide NARRATION FOR MEIOSIS, SEXUAL REPRODUCTION, AND GENETIC VARIABILITY Since the members of no species, even California redwoods or giant

More information

E. Incorrect! At telophase II, cells are nearly completed with meiosis, with no cross-over.

E. Incorrect! At telophase II, cells are nearly completed with meiosis, with no cross-over. OAT Biology - Problem Drill 06: Mitosis and Meiosis Question No. 1 of 10 1. During meiosis, cross-over between homologous chromosomes occurs at the end of. Question #01 (A) Anaphase II (B) Metaphase I

More information

AP Biology Fall Semester Set 1

AP Biology Fall Semester Set 1 1. During which stage does DNA replication occur? A. Prophase B. Metaphase C. Anaphase D. none of these 2. At what phase in the cell cycle does DNA replication occur? A. G1 B. S C. G2 D. M 3. Which of

More information

Biology. Chapter 10 Cell Reproduction. I. Chromosomes

Biology. Chapter 10 Cell Reproduction. I. Chromosomes Biology Chapter 10 Cell Reproduction I. Chromosomes Long thin molecules that store genetic information. A. Chromosome Structure 1. Rod shaped structure composed of DNA and protein. 2. DNA is wrapped around

More information

Chapter 2 Cells and Cell Division

Chapter 2 Cells and Cell Division Chapter 2 Cells and Cell Division MULTIPLE CHOICE 1. The process of meiosis results in: A. the production of four identical cells B. no change in chromosome number from parental cells C. a doubling of

More information

5. As compared to the human sperm cell, the human egg cell contains more... a) cytoplasm c) centrosomes b) mitochondria d) chromosomes

5. As compared to the human sperm cell, the human egg cell contains more... a) cytoplasm c) centrosomes b) mitochondria d) chromosomes BIOLOGY - 3201. Quiz: Cell Reproduction. NAME : Multiple Choice. (1% each) 1. Which of the following is NOT true of mitotic cell division? a) It involves nuclear division. b) It involves division of the

More information

Chapter 9 Active Reading Guide The Cell Cycle

Chapter 9 Active Reading Guide The Cell Cycle Name: AP Biology Mr. Croft Chapter 9 Active Reading Guide The Cell Cycle 1. Give an example of the three key roles of cell division. Key Role Reproduction Example Growth and Development Tissue Renewal

More information

3.a.2- Cell Cycle and Meiosis

3.a.2- Cell Cycle and Meiosis Big Idea 3: Living systems store, retrieve, transmit and respond to information essential to life processes. 3.a.2- Cell Cycle and Meiosis EU 3.A: Heritable information provides for continuity of life.

More information

Cell Division. Binary Fission, Mitosis & Meiosis 2/9/2016. Dr. Saud Alamri

Cell Division. Binary Fission, Mitosis & Meiosis 2/9/2016. Dr. Saud Alamri Cell Division Binary Fission, Mitosis & Meiosis 1 Prokaryotic cells reproduce asexually by a type of cell division called binary fission 2 Prokaryotic chromosome Division into two daughter cells Plasma

More information

Mitosis & Meiosis Practice Test

Mitosis & Meiosis Practice Test Name: DO NOT WRITE ON THIS TEST Class: ALL ID: A Mitosis & Meiosis Practice Test Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make

More information

Dr. Ramesh U4L3 Meiosis

Dr. Ramesh U4L3 Meiosis Dr. Ramesh U4L3 Meiosis The Cell Cycle and Cell Division: MEIOSIS The Cell Cycle and Cell Division KEY CONCEPT: Meiosis Halves the Nuclear Chromosome Content and Generates Diversity Organisms have two

More information

BIOLOGY. COLLEGE PHYSICS Chapter 11 MEIOSIS AND SEXUAL REPRODUCTION Chapter # Chapter Title PowerPoint Image Slideshow

BIOLOGY. COLLEGE PHYSICS Chapter 11 MEIOSIS AND SEXUAL REPRODUCTION Chapter # Chapter Title PowerPoint Image Slideshow BIOLOGY COLLEGE PHYSICS Chapter 11 MEIOSIS AND SEXUAL REPRODUCTION Chapter # Chapter Title PowerPoint Image Slideshow CAMPBELL BIOLOGY TENTH EDITION Reece Urry Cain Wasserman Minorsky Jackson 13 Meiosis

More information

2. Which of the following are NOT prokaryotes? A) eubacteria B) archaea C) viruses D) ancient bacteria

2. Which of the following are NOT prokaryotes? A) eubacteria B) archaea C) viruses D) ancient bacteria 1. Which of the following statements is FALSE? A) Errors in chromosome separation are rarely a problem for an organism. B) Errors in chromosome separation can result in a miscarriage. C) Errors in chromosome

More information

Unit 6 Test: The Cell Cycle

Unit 6 Test: The Cell Cycle Name Date Class Mrs. Knight Biology EHS Unit 6 Test: The Cell Cycle 1. What are the four main stages of the cell cycle (correct order)? A. G 1, S, G 0, M C. G 2, S, G 1, M B. G 1, S, G 2, M D. M, G 2,

More information

Ladies and Gentlemen.. The King of Rock and Roll

Ladies and Gentlemen.. The King of Rock and Roll Ladies and Gentlemen.. The King of Rock and Roll Learning Objectives: The student is able to construct an explanation, using visual representations or narratives, as to how DNA in chromosomes is transmitted

More information

The Cell Cycle/Le Cycle cellulaire SMC6052/BIM6028 IRCM

The Cell Cycle/Le Cycle cellulaire SMC6052/BIM6028 IRCM The Cell Cycle/Le Cycle cellulaire SMC6052/BIM6028 IRCM 1 février 2018 Benjamin H. Kwok, Ph.D. Chercheur principal, Institut de recherche en immunologie et en cancérologie Professeur sous octroi agrégé,

More information

General Knowledge on Cell Cycle & Cell Division General knowledge on Cell Cycle and Cell Division [ Contents: Cell Cycle,

General Knowledge on Cell Cycle & Cell Division General knowledge on Cell Cycle and Cell Division [ Contents: Cell Cycle, General Knowledge on Cell Cycle & Cell Division A complete General knowledge on Cell Cycle and Cell Division for you competitive examinations such as UPSC, IAS, Banking SBI PO, Railway Group-D, SSC, CGL

More information

Unit 5: Cell Division and Development Guided Reading Questions (45 pts total)

Unit 5: Cell Division and Development Guided Reading Questions (45 pts total) Name: AP Biology Biology, Campbell and Reece, 7th Edition Adapted from chapter reading guides originally created by Lynn Miriello Chapter 12 The Cell Cycle Unit 5: Cell Division and Development Guided

More information

Meiosis B-4.5. Summarize the characteristics of the phases of meiosis I and meiosis II.

Meiosis B-4.5. Summarize the characteristics of the phases of meiosis I and meiosis II. Meiosis B-4.5 Summarize the characteristics of the phases of meiosis I and meiosis II. Key Concepts Daughter cells Diploid Haploid Zygote Gamete Meiosis I vs. Meiosis II What You Already Know This concept

More information

Mitosis and Meiosis Review

Mitosis and Meiosis Review 1 What is a chromatid? a special region that holds two centromeres together a chromosome found outside the nucleus a chromosome in G1 of the cell cycle a replicated chromosome another name for the chomosomes

More information

STUDY UNIT 1 MITOSIS AND MEIOSIS. Klug, Cummings & Spencer Chapter 2. Morphology of eukaryotic metaphase chromosomes. Chromatids

STUDY UNIT 1 MITOSIS AND MEIOSIS. Klug, Cummings & Spencer Chapter 2. Morphology of eukaryotic metaphase chromosomes. Chromatids STUDY UNIT 1 MITOSIS AND MEIOSIS Klug, Cummings & Spencer Chapter 2 Life depends on cell division and reproduction of organisms. Process involves transfer of genetic material. New somatic (body) cells

More information

CELL DIVISION IN EUKARYOTES. Professor Andrea Garrison Biology 11 Illustrations 2010 Pearson Education, Inc.

CELL DIVISION IN EUKARYOTES. Professor Andrea Garrison Biology 11 Illustrations 2010 Pearson Education, Inc. CELL DIVISION IN EUKARYOTES Professor Andrea Garrison Biology 11 Illustrations 2010 Pearson Education, Inc. PURPOSE: Reproduction of new cells from previously existing cells 2 of Genetically Identical

More information

3.2.2 All cells arise from other cells

3.2.2 All cells arise from other cells alevelbiology.co.uk SPECIFICATION Within multicellular organisms, not all cells retain the ability to divide. Eukaryotic cells that do retain the ability to divide show a cell cycle. DNA replication occurs

More information

Mitosis and Meiosis for AP Biology

Mitosis and Meiosis for AP Biology Mitosis and Meiosis for AP Biology by Mark Anestis Practice problems for these concepts can be found at : Cell Division Review Questions for AP Biology Mitosis During mitosis, the fourth stage of the cell

More information

The Microscopic Observation of Mitosis in Plant and Animal Cells

The Microscopic Observation of Mitosis in Plant and Animal Cells The Microscopic Observation of Mitosis in Plant and Animal Cells Prelab Assignment Before coming to lab, read carefully the introduction and the procedures for each part of the experiment, and then answer

More information

Cell Growth and Reproduction Module B, Anchor 1

Cell Growth and Reproduction Module B, Anchor 1 Cell Growth and Reproduction Module B, Anchor 1 Key Concepts: - The larger a cell becomes, the more demands the cell places on its DNA. In addition, a larger cell is less efficient in moving nutrients

More information

10 CELL DIVISION AND MITOSIS

10 CELL DIVISION AND MITOSIS 10 CELL DIVISION AND MITOSIS Chapter Outline Why It Matters 10.1 THE CYCLE OF CELL GROWTH AND DIVISION: OVERVIEW The products of mitosis are genetic duplicates of the dividing cell Chromosomes are the

More information

The division of a unicellular organism reproduces an entire organism, increasing the population. Here s one amoeba dividing into 2.

The division of a unicellular organism reproduces an entire organism, increasing the population. Here s one amoeba dividing into 2. 1. Cell division functions in 3 things : reproduction, growth, and repair The division of a unicellular organism reproduces an entire organism, increasing the population. Here s one amoeba dividing into

More information

Cellular Division. copyright cmassengale

Cellular Division. copyright cmassengale Cellular Division 1 Cell Division All cells are derived from pre- existing cells New cells are produced for growth and to replace damaged or old cells Differs in prokaryotes (bacteria) and eukaryotes (protists,

More information

11/18/2016. Meiosis. Dr. Bertolotti. How is meiosis different from mitosis?

11/18/2016. Meiosis. Dr. Bertolotti. How is meiosis different from mitosis? Meiosis Dr. Bertolotti How is meiosis different from mitosis? 1 3 Types of Cell Division 1. Binary fission- cell division in prokaryotes 2. Cell Cycle (with Mitosis)- cell division in eukaryotes to form

More information

GENETICS - CLUTCH CH.9 MITOSIS AND MEIOSIS.

GENETICS - CLUTCH CH.9 MITOSIS AND MEIOSIS. !! www.clutchprep.com CONCEPT: MITOSIS Mitosis is a type of cell division that produces daughter cells Interphase is the initial stage of the cell cycle, and is the period between divisions - G1, which

More information

Topic 8 Mitosis & Meiosis Ch.12 & 13. The Eukaryotic Genome. The Eukaryotic Genome. The Eukaryotic Genome

Topic 8 Mitosis & Meiosis Ch.12 & 13. The Eukaryotic Genome. The Eukaryotic Genome. The Eukaryotic Genome Topic 8 Mitosis & Meiosis Ch.12 & 13 The Eukaryotic Genome pp. 244-245,268-269 Genome All of the genes in a cell. Eukaryotic cells contain their DNA in long linear pieces. In prokaryotic cells, there is

More information

Meiosis and Sexual Life Cycles

Meiosis and Sexual Life Cycles Chapter 13 Meiosis and Sexual Life Cycles Lecture Outline Overview Living organisms are distinguished by their ability to reproduce their own kind. Offspring resemble their parents more than they do less

More information

New properties emerge at successive levels of biological organization.

New properties emerge at successive levels of biological organization. THEMES IN THE STUDY OF LIFE New properties emerge at successive levels of biological organization. The cell is an organism s basic unit of structure and function. (generalized animal, plant, and bacterial

More information

Lesson Overview Meiosis

Lesson Overview Meiosis 11.4 Chromosomes strands of DNA and protein contain the genes. genes are located in specific positions on chromosomes. Humans receive a set (23) of chromosomes from each parent. 23 chromosomes from mom

More information