BIOLOGY. Monday 14 Dec 2015

Transcription

1 BIOLOGY Monday 14 Dec 2015

2 Entry Task An ATP molecule is made of what 3 components? What happens when ATP becomes ADP? Explain.

3 Agenda Entry Task Housekeeping Chapter 8 Essential Question Section 8.2 (Photosynthesis: An Overview) Section 8.3 (The Process of Photosynthesis) Exit Ticket

4 Housekeeping Chapter 8 & 9 exam on Thursday, 17 Dec. 20 MC & 10 SA Science Skills Questions. Progress reports to be ed All those with a D or below

5 Chapter 8 Vocabulary p. 226 (Heterotroph & Autotroph), p. 230 (Pigment & Stroma), p. 235 (Calvin Cycle) Frayer Model Definition: Facts/Characteristics: Sentence: Heterotroph Picture:

6 p. 228 Heterotrophs & Autotrophs Where do living things get the energy to produce ATP? Chemical compounds called food Heterotrophs Autotrophs

7 Heterotrophs & Autotrophs Where do living things get the energy to produce ATP? Chemical compounds called food Heterotrophs Obtain food from eating other living organisms Autotrophs Make their own food Produce high-energy carbohydrates Conduct photosynthesis

8 Demonstration In your notebook draw a diagram and write your prediction. What do you think is going to happen when the candle is lit? Why? Reaction Time 1 Time 2 Average No Plant Plant

9 Demonstration In your notebook draw a diagram and write your prediction. What do you think is going to happen when the candle is lit? Why? What happened? Why do you think it happened? How is it the same or different than your prediction?

10 8.2 Photosynthesis: An Overview

11 Learning Objectives Explain the role of light and pigments in photosynthesis Explain the role of electron carrier molecules in photosynthesis State the overall equation for photosynthesis.

12 p. 231 Chlorophyll & Chloroplasts Sunlight Pigments = capture energy from sunlight. Principle pigments are called chlorophyll

13 p. 231 Chloroplasts Label the parts of the chloroplast.

14 Chloroplasts Label the parts of the chloroplast. Inner Membrane Outer Membrane Granum Thylakoid Thylakoid Membrane Stroma Thylakoid Space p. 231

15 Overview of Photosynthesis Figure 8-7, p. 233

16 Overview of Photosynthesis Photosynthesis? Process of using energy from sunlight to convert water & carbon dioxide into high-energy sugars & oxygen. 6CO 2 + 6H 2 O C 6 H 12 O 6 + 6O 2 2 sets of reactions involved: Light-dependent reaction Light-independent reaction p

17 BIOLOGY Tuesday 15 Dec 2015

18 Entry Task What are the inputs (reactants) and outputs (products) of the light-dependent reaction? What are the inputs (reactants) and outputs (products) of the light-independent reaction?

19 Agenda Entry Task Housekeeping Section 8.3 (The Process of Photosynthesis) Chapter 9 Essential Question Section 9.1 (Cellular Respiration: An Overview) Exit Ticket

20 Housekeeping Chapter 8 & 9 exam on Thursday, 17 Dec. 20 MC & 10 SA Science Skills Questions. Progress reports to be ed Pass out at end of class All those with a D or below

21 Chapter 8 Vocabulary p. 226 (Heterotroph & Autotroph), p. 230 (Pigment & Stroma), p. 235 (Calvin Cycle) Frayer Model Definition: Facts/Characteristics: Sentence: Heterotroph Picture:

22 8.3 The Process of Photosynthesis

23 Learning Objectives Describe what happens during the light-dependent reactions Describe what happens during light-independent reactions Identify factors that affect the rate at which photosynthesis occurs.

24 Overview of Photosynthesis Figure 8-7, p. 233

25 Photosynthesis Chart Complete the following chart: Reaction Process Location Reactants Products Light- Dependent Reaction Light- Independent Reaction

26 Photosynthesis Chart Complete the following chart: Reaction Process Location Reactants Products Light- Dependent Reaction Photosynthetic Process Thylakoids Light Energy H 2 O ADP NADP + O 2 ATP NADPH Light- Independent Reaction The Calvin Cycle Stroma CO 2 ATP NADPH C 6 H 12 O 6 ADP NADP +

27 Factor Affecting Photosynthesis What are the 3 most important factors affecting photosynthesis? Temperature Light Intensity Availability of Water

28 Chapter 9 Cellular Respiration & Fermentation

29 Essential Question How do organisms obtain energy?

30 9.1 Cellular Respiration: An Overview

31 Learning Objectives Explain where organisms get the energy they need for life processes Define cellular respiration Compare photosynthesis and cellular respiration.

32 Chemical Energy & Food Where do organisms get energy? Organisms get the energy they need from food. Cells break down food molecules gradually, capturing a small amount of chemical energy.

33 p. 251 Cellular Respiration Cellular Respiration? Process that releases energy from food in the presence of oxygen. 6O 2 + C 6 H 12 O 6 6CO 2 + 6H 2 O

34 p. 252 Cellular Respiration Oxygen & energy Stage Oxygen Location 1. Glycolysis Anaerobic ( without air ) Cytoplasm 2. The Krebs Cycle Aerobic ( in air ) Mitochondria 3. Electron Transport Chain Aerobic ( in air ) Mitochondria When oxygen is not present Enters anaerobic pathway called fermentation.

35 Exit Ticket Question: What are the stages of cellular respiration in order? Which are anaerobic and aerobic? Reflection: None Turn in question sheets

36 ADVISORY Wednesday 16 Dec 2015

37 Study Time Need to have work out. Complete any current or missing assignments for your classes.

38 BIOLOGY Wednesday 16 Dec 2015

39 Entry Task Cellular respiration requires what two reactants? Draw a flow chart of the 3 stages of cellular respiration.

40 Agenda Entry Task Housekeeping Section 9.2 (The Process of Cellular Respiration) Exit Ticket

41 Housekeeping Chapter 8 & 9 exam on Friday, 18 Dec. 20 MC & 10 SA Science Skills Questions. Study guides will be due.

42 9.2 The Process of Cellular Respiration

43 Learning Objectives Describe what happens during glycolysis Describe what happens during the Krebs cycle Explain how high-energy electrons are used by the electron transport chain Identify how much ATP cellular respiration generates.

44 Chemical Energy & Food Complete the following table placing the stages in order. Cellular Respiration Stage Location Input Output p

45 Chemical Energy & Food Complete the following table placing the stages in order. Cellular Respiration Stage 1. Glycolysis Cytoplasm 1 glucose NAD + Location Input Output p. 2 pyruvic acid 2 NADH The Krebs Cycle Mitochondria 2 pyruvic acid NAD + CO 2 4 NADH Electron Transport Mitochondria O 2 6 NADH H 2 O NAD + 36 ATP 259

46 Figure 9-2, p. 252 Learning Objectives

47 BIOLOGY Thursday 17 Dec 2015

48 Entry Task Write the equation for cellular respiration. Explain how an animal fits into each compound of the equation.

49 Agenda Entry Task Housekeeping Section 9.3 (Fermentation) Study Time

50 Housekeeping Chapter 8 & 9 exam tomorrow, Friday, 18 Dec. 20 MC & 10 SA Science Skills Questions. Study guides will be due. PM assembly schedule tomorrow.

51 Chemical Energy & Food Complete the following table placing the stages in order. Cellular Respiration Stage 1. Glycolysis Cytoplasm 1 glucose NAD + Location Input Output p. 2 pyruvic acid 2 NADH The Krebs Cycle Mitochondria 2 pyruvic acid NAD + CO 2 4 NADH Electron Transport Mitochondria O 2 6 NADH H 2 O NAD + 36 ATP 259

52 9.3 Fermentation

53 Learning Objectives Explain how organisms get energy in the absence of oxygen Identify the pathways the body uses to release energy during exercise.

54 Fermentation Fermentation? Process of releasing energy from food molecules in the absence of oxygen by producing ATP. Glycolysis & NADH No oxygen = no electron transport chain NAD + quickly become NADH Fermentation removes H + and recycles NAD +

55 Fermentation Fermentation? Process of releasing energy from food molecules in the absence of oxygen by producing ATP 2 types of fermentation: Alcoholic Fermentation - Alcoholic beverages & rising bread dough Lactic Acid Fermentation - Humans, cheese, yogurt, pickles, & kimchi

56 Energy & Exercise Humans have 3 main sources of ATP: ATP already in the muscles ATP made by lactic acid fermentation ATP cellular respiration

57 Energy & Exercise Quick Energy ATP in muscles = few seconds of intense activity. Lactic acid fermentation = 90 seconds of ATP Lactic acid = byproduct & requires extra oxygen to remove

58 Energy & Exercise Long-Term Energy Cellular respiration = longer than 90 seconds Muscle & other tissue = min of activity Stored molecules (fats) = after minutes

59 Chapter 8 & 9 Study Guide Complete the study guide.

60 BIOLOGY Friday 18 Dec 2015

61 Entry Task Pull out your study guide and take the last few minutes to study if needed.

62 Agenda Entry Task Chapter 8 & 9 Exam Housekeeping

63 Chapter 8 & 9 Exam Clear off your desks. Remember this is an exam. No talking. Keep your eyes on your own paper. Do not write on the question sheet. When you are finished: Place the question sheet and your answer sheet on the front table face down. Silently (No talking) do any of the following: read, complete missing assignments, work for other class, etc.

64 Housekeeping PM assembly schedule. Shortened 6th period Upon return Chapter 12 Seat changes