Base your answers to questions 1 and 2 on the diagram below which represents a typical green plant cell and on your knowledge of biology.

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Howard Simmons
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Which structure is made of a carbohydrate known as cellulose? 6. The diagram below represents a cell. 3. Within a eukaryotic cell, where is the DNA found?

1 Base your answers to questions 1 and 2 on the diagram below which represents a typical green plant cell and on your knowledge of biology. 5. Which letter corresponds to that of the endoplasmic reticulum? 1. Which letter corresponds to the nucleus? 2. Which structure is made of a carbohydrate known as cellulose? 6. The diagram below represents a cell. 3. Within a eukaryotic cell, where is the DNA found? A) cell wall B) plasma membrane C) ribosomes D) nucleus 4. Which letter in the diagram below indicates a lysosome? Which letter corresponds to that of the cell membrane? A) A. B) B C) C. D) D. 7. Which structure corresponds with the mitochondria? A) 1 B) 2 C) 3 D) 4

8. The diagram below represents a cell of a green plant. 12. The letters in the diagram below indicate some parts of a cell. Which letter corresponds with a chloroplast? 9.

2 8. The diagram below represents a cell of a green plant. 12. The letters in the diagram below indicate some parts of a cell. Which letter corresponds with a chloroplast? 9. Which statement best describes the organelles in a cell? A) All organelles are involved directly with communication between cells. B) Organelles are small functional units in a cell that keep it alive. C) Organelles function only when there is a disruption in homeostasis. D) No form of cells need organelles to live 10. Which cell structures are correctly paired with their functions? A) The mitochondria produce protein, and vacuoles transport them. B) The ribosomes make proteins, and the nucleus stores DNA. C) The cell membrane makes protein, and cytoplasm transports them. D) The vacuole stores DNA, and chloroplasts make proteins. 11. In a multicellular organism, organs carry out a variety of life functions. In a single-celled organism, these functions are performed by A) tissues B) organelles C) organ systems D) organs The function of which cell part is most similar to the human brain? 13. The chloroplast is to a plant as A) a window is to a building B) a solar cell is to a building C) a room is to a building D) the roof is to a building 14. The mitochondria is to the cell as A) the motor is to a car B) the windshield is to a car C) the door is to a car D) the seatbelt is to a car 15. The cytoplasm is to the cell as A) rocks are to the ocean B) fish are to the ocean C) water is to the ocean D) the coral reef is to the ocean 16. The nucleus is the cell as A) the bones are to a human B) the heart is to human C) the muscles are to a human D) the brain is to a human 17. The cell membrane is to the cell as A) the ocean is to the Earth B) skin is to a human C) a house is to the Earth D) legs are to a human

3 18. In the diagram below, which letter indicates the part of the cell that carries out a function most similar to a function of the human excretory system? 21. If the ribosomes of a cell were destroyed, what effect would this most likely have on the cell? A) It would stimulate mitotic cell division. B) The cell would be unable to synthesize proteins. C) Development of abnormal hereditary features would occur in the cell. D) Increased protein absorption would occur through the cell membrane. 22. Within which structure shown in the diagram below are energy-rich ATP molecules made from the breakdown of glucose? 19. What is the main function of a vacuole in a cell? A) storage B) coordination C) synthesis of molecules D) release of energy 20. In the cell shown below, which lettered structure is responsible for protection of the cell. A) 1 B) 2 C) 3 D) Which structures carry out life functions within cells? A) tissues B) organ systems C) organelles D) organs 24. What organelle releases energy for metabolic activity in cells? A) chloroplast B) ribosome C) mitochondrion D) vacuole 25. The largest amount of DNA in a plant cell is contained in A) a nucleus B) a chromosome C) a protein molecule D) an enzyme molecule

4 26. One difference between plant and animal cells is that animal cells do not have A) a nucleus B) chloroplasts C) a cell membrane D) centrioles 27. Which organelle in the diagram below represents an exception to the cell theory because it contains genetic material and can reproduce within the cell? 28. Which letter in the diagram below indicates the structure that is most closely associated with excretion? 30. Which organelle is the site of cellular respiration? A) endoplasmic reticulum B) mitochondria C) ribosomes D) chloroplast function 31. Looking at an animal cell with a microscope reveals the presence of a plasma membrane but no cell wall. Which additional organelle would normally be present within this type of cell? Think Marvin Gaye... A) starch grains B) centrioles C) chloroplasts D) large vacuoles 32. Which cell organelle is composed of a series of membranes throughout the cytoplasm that functions in the transport of molecules throughout the cell? A) lysosome B) chloroplast C) cell wall D) endoplasmic reticulum 33. A structure involved in regulating the movement of materials into a cell is the A) ribosome B) centriole C) Golgi complex D) cell membrane 34. Centrioles are cell structures involved primarily in A) cell division B) storage of fats C) enzyme production D) cellular respiration 29. Which organelle is correctly paired with its function? A) nucleus provides carbohydrates for fermentation B) chloroplast serves as a site for photosynthesis C) centriole synthesizes digestive enzymes D) lysosome packages cellular products

5 35. Base your answer to the following question on the diagrams below which represent two different cells. 41. Which organelle is correctly paired with its specific function? A) cell membrane storage of hereditary information B) chloroplast photosynthesis C) ribosome protein production D) vacuole production of ATP In both cells, the organelles labeled E are the sites of A) secretion B) starch synthesis C) cellular respiration D) food storage 36. Which structures are found in every living cell? A) a plasma membrane and cytoplasm B) chloroplasts and mitochondria C) a cell wall and nucleus D) centrioles and chromosomes 37. Prokaryotic cells have all except A) cell wall B) cell membrane C) mitochondira D) DNA E) cytoplasm 38. One of the main differences between eukaryotic and prokaryotic cells is that A) Prokaryotic cells do not have DNA B) Eukaryotic cells do not have cytoplasm C) Prokaryotic DNA is a single ring 39. Which of the following organelles is found in animal cells but usually not in plant cells? A) Nucleolus B) Vacuole C) Centriole 40. Animal cells can generally be distinguished from plant cells by A) presence of cell walls B) presence of chloroplasts C) lack of central vacuoles

6 42. Base your answer to question on the diagram below and on your knowledge of biology. In a cell, a variety of structures perform specific functions and interact to maintain homeostasis. The diagram below represents a typical cell with three cell structures labeled 1, 2, and 3. Select one cell structure labeled in the diagram and write its number in the space below. Explain how the cell structure you selected helps maintain homeostasis in a cell. In your answer, be sure to: identify the cell structure you selected state one function of this cell structure identify one substance that is often associated with the cell structure you selected and state how that substance is associated with the cell structure identify one other cell structure and explain how it interacts with the cell structure you selected to maintain homeostasis in the cell 43. Which structure is best observed using microscope? A) a cheek cell with a nucleus inside B) a virus inside the nucleus C) a DNA molecule D) the inside of a mitochondria 44. Which two cell structures work together in the carbon cycle? A) nucleus and chloroplast B) ribosome and vacuole C) nucleus and ribosome D) mitochondrion and chloroplast 45. What cellular structure must oxygen cross to get from the outside to the inside of an animal cell? A) The nucleus B) The cytoplasm C) The plasma membrane D) The cell wall 46. Which cell structure is correctly paired with its primary function? A) golgi body movement of materials outside the cell B) mitochondrion movement C) vacuole cell division D) nucleus storage of nutrients

Which row in the chart correctly identifies the functions of structures A, B, and C? A) 1 B) 2 C) 3 D) 4

Which row in the chart correctly identifies the functions of structures A, B, and C? A) 1 B) 2 C) 3 D) 4 1. What is a similarity between all bacteria and plants? A) They both have a nucleus B) They are both composed of cells C) They both have chloroplasts D) They both lack a cell wall 2. Which statement is