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The Cell Date: Name: 1. 2. 3. Which organelle is primarily concerned with the conversion of potential energy of organic compounds into suitable form for immediate use by the cell? A. mitochondria B. C. ribosomes D. vacuoules 4. centrosomes Which structure, composed mainly of proteins and lipids, aids in maintaining homeostasis in a cell? A. chromosome B. C. cell membrane D. nucleolus 5. centrosome Select the cell compound, chosen from the list below, which is best described by the following phrase. 6. A double-stranded molecule that contains instructions for the manufacture of cell protein. A. DNA B. Messenger RNA C. Transfer RNA D. ATP page 1 Which organelle is present in the cells of a mouse but not present in the cells of a bean plant? A. cell wall B. chloroplast C. cell membrane D. centriole The ribosomes is an organelle that functions in the process of A. phagocytosis B. pinocytosis C. protein synthesis D. cellular respiration In which organelles are enzymes for intracellular digestion stored? A. centrioles B. lysosomes C. nucleoli D. chloroplasts 7. The process of osmosis is best illustrated by the movement of 10. Which cell organelle would not be found in a moneran? A. water into root hair cells A. nucleus B. ribosome B. oxygen into red blood cells C. plasm membrane D. cytoplasm C. carbon dioxide through stomates D. glucose through phloem 11. 8. 9. Which life activity is illustrated by the diagrams of the same cell shown? A. reproduction B. C. transport D. growth 12. excretion The organelle that is the site of cellular respiration is the A. chloroplast B. C. mitochondrion D. ribosome 13. nucleus page 2 Which cell organelle is involved most directly in the digestion of large particles brought into the cell by phagocytosis? A. ribosome B. mitochondrion C. lysosome D. nucleolus Which structure includes all of the others? A. nucleolus B. nucleus C. chromosomes D. genes An organelle found in most plant cells, but absent from animal cells, is the A. contractile vacuole B. centriole C. chloroplast D. Golgi complex The Cell 14. The change of cell volume is principally due to the loss or gain of A. serum B. C. hemoglobin D. salt 17. water 18. 15. Which organelles are usually found in both plant and animal cells? A. cell walls B. centrioles C. mitochondria D. chloroplasts Which cell organelle is composed of a series of channels throughout the cytoplasm that functions in the transport of molecules? The early study of cells by Schleiden and Schwann contributed to the formation of the cell theory. What is the most probable reason that these early biologists never viewed the cell organelles known as ribosomes? A. lysosome A. B. chloroplast Ribosomes cannot be observed unless the cell is stained with iodine. C. cell wall B. Ribosomes are too small to be seen with early microscopes. C. Primitive cells did not need to synthesize proteins. D. endoplasmic reticulum D. The presence of ribosomes can only be detected using a centrifuge. 16. Active transport is di erent from passive transport in that active transport involves 19. What is the role of DNA in controlling cellular activity? A. the movement of molecules from high concentration to low concentration A. DNA provides energy for all cell activities. B. an expenditure of energy B. C. the use of ribosomes DNA determines which enzymes are produced by a cell. C. DNA is used by cells for the excretion of nitrogenous wastes. D. a process which occurs only in the cells of simple plants and animals D. DNA provides nucleotides for the construction of plasma. page 3 The Cell 20. Which activity is an example of cyclosis? A. the movement of water from the soil into a root hair B. the movement of food vacuoles through the cytoplasm of a paramecium C. blood cells moving through the capillaries in a gold sh tail 23. The presence of large numbers of mitochondria in the tubule cells of nephrons suggests that the transport of materials into and out of tubule cells requires A. acids B. pigments C. energy D. enzymes D. the pumping action of a contractile vacuole in an ameba 24. 21. Molecules that are too large to pass through the pores of a cell membrane may enter the cell by a process known as A. hydrolysis B. C. cyclosis D. synthesis A. DNA and ATP B. proteins and lipids C. chitin and starch D. nucleotides and amino acids pinocytosis 25. 22. Most cell membranes are composed principally of Which structures function mainly in transport? The process by which large undissolved particles are brought into a cell being engulfed is known as A. cyclosis B. phagocytosis C. hydrolysis D. osmosis page 4 A. A and F B. B and D C. C and F D. C and D The Cell 26. 27. Which process requires the expenditure of cellular energy? A. passive transport B. C. osmosis D. di usion 29. active transport A. staining B. ingestion C. osmosis D. active transport Red blood cells contain a higher concentration of potassium than the surrounding blood plasma does. This higher concentration is maintained by the process of A. cyclosis B. osmosis C. simple di usion D. active transport 30. 28. A biologist diluted a blood sample with distilled water. While observing the sample under a microscope, she noted that the red blood cells burst. This bursting is most likely the result of which process? Which organelle aids in the maintenance of cell homeostasis by selectively regulating the passage of materials into and out of the cell? A. plasma membrane B. ribosome C. lysosome D. nuclear membrane In a cell, the selective permeability of the cell membrane is most closely associated with the maintenance of A. homeostasis B. hydrolysis C. phagocytosis D. pinocytosis page 5 The Cell Problem-Attic format version 4.4.274 c 2011–2016 EducAide Software _ Licensed for use by Anabelle Perez Terms of Use at www.problem-attic.com The Cell 09/23/2016 1. Answer: A 21. Answer: B 2. Answer: C 22. Answer: B 3. Answer: A 23. Answer: C 4. Answer: D 24. Answer: B 5. Answer: C 25. Answer: A 6. Answer: B 26. Answer: B 7. Answer: A 27. Answer: D 8. Answer: D 28. Answer: A 9. Answer: C 29. Answer: C 10. Answer: A 30. Answer: A 11. Answer: C 12. Answer: B 13. Answer: C 14. Answer: B 15. Answer: D 16. Answer: B 17. Answer: C 18. Answer: B 19. Answer: B 20. Answer: B