KEY TO Biol 1400 Quiz 3 (25 pts) Metabolism & Diffusion FORM 1

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1 KEY O Biol 1400 Quiz 3 (25 pts) Metabolism & Diffusion FORM 1 MULIPLE CHOICE- Select the best answer and write its letter in the space provided. B 1. Anaerobic respiration in fungi is different from in animals by: A. breaking down glucose. C. both A and B B. producing ethyl alcohol and CO2 D. neither A or B D 2. he amount of solar energy used by plants for photosynthesis is. A. nearly 98% C. almost 20% B. around 40% D. about 2% D 3. Which cycle involves both photosynthesis and aerobic respiration? A. Calvin cycle. C. both A and B B. Citric Acid cycle D. neither A or B E 4. Homeostasis is necessary for the cell to: A. regulate its water balance. D. regulate its metabolism. B. regulate its ph. E. all of these C. regulate its temperature. B 5. Vitamins function as, helping enzymes reduce the activation energy of necessary chemical reactions. A. active sites C. control or allosteric sites B. coenzymes D. enzymatic inhibitors D 6. In the part of photosynthesis that is light dependent, the following happens: A. AP are produced. D. A and B. B. water is split to form O2. E. A and C C. an enzyme fixes CO2 to a 5C-sugar. FREE_7. An aquatic single cell organism that is 85% water responds to an environment of 10% salt by: A. losing salts D. A and C SHOULD BE A and B B. gaining water E. A, B, and C C. decreasing in size B 8. he Citric Acid Cylce of aerobic respiration differs from the electron transport system by: A. producing AP C. both A and B B. releasing CO2 D. neither A or B RUE-FALSE: If you support the statement circle for true; otherwise circle F for false. F 9. Homeostasis is found in only single celled eukaryotic and prokaryotic organisms. 10. Dialysis is the diffusion of solutes, like salts, across a cell membrane. F 11. Diffusion is unique to living organisms. F 12. C4 plants are less efficient in photosynthesis because of photorespiration. 13. It takes 2 AP to make glucose higher in energy. 14. Desert plants that use CAM type photosynthesis fix Carbon at different times.

2 MACHING- Select the BES match and enter the letter of your answer. An answer may be used more than once, but only one letter per answer. Match the process to its type of transport A 15. the movement of water through a cell membrane C 16. movement of matter by an energy gradient A 17. causes guard cells to form stomata A. Osmosis B. Facilitated Diffusion C. Diffusion D. Active transport Match the biochemical process to its location. C 18. light independent photosynthesis B 19. fermentation or anaerobic respiration D 20. citric acid cycle A. chloroplast inner membrane B. cytoplasm = cytosol C. chloroplast fluid D. mitochondrion fluid Match the biochemical process to the number of AP produced. E 21. electron transport system E 22. light independent photosynthesis B 23. glycolysis A. 3 AP B. 6 AP C. 12 AP D. 30 AP SHOR ANSWER- wo (2) points How might a cell biologist determine if a new venom inhibits the citric acid cycle or the electron transport system. Explain how. Determine how much AP is produced. In Cell Respiration the ES produces 24AP, if it is inhibited only 12 AP are produced. If citric acid cycle is inhibited only the 6 AP from glycolysis are produced.

3 FORM 2 MULIPLE CHOICE- Select the best answer and write its letter in the space provided. B 1. Which of the following is true regarding enzymes? A. Enzymes are not affected by high heat, as proteins are. C. both A and B B. Enzymes can be recycled and used over and over again. D. neither A or B D 2. he amount of solar energy used by plants for photosynthesis is. A. nearly 98% C. almost 20% B. around 40% D. about 2% B 3. An aquatic single cell organism that is 85% water responds to an environment of 20% salt by: A. losing salts D. A and C B. losing water E. A, B, and C C. increasing in size E 4. Besides temperature, the rate of diffusion into a cell is affected by: A. the size of solutes D. B and C B. its homeostasis E. A and C C. the concentration gradient of solutes E 5. Homeostasis is necessary for the cell to: A. regulate its water balance. D. regulate its metabolism. B. regulate its ph. E. all of these C. regulate its temperature. B 6. Anaerobic respiration in fungi is different from in animals by: A. breaking down glucose. C. both A and B B. producing ethyl alcohol and CO2 D. neither A or B D 7. A CAM plant does photosynthesis in A. chloroplasts. C. Both A and B B. different cells. D. Neither A or B D 8. In the part of photosynthesis that is light dependent, the following happens: A. AP are produced. D. A and B. B. water is split to form O2. E. A and C C. an enzyme fixes CO2 to a 5C-sugar. RUE-FALSE: If you support the statement circle for true; otherwise circle F for false. F F F 9. Vitamins in metabolism act as coenzymes. 10. Without O2 the mitochondrion does not make AP. 11. he Calvin Cycle fixes CO2 to form glucose. 12. Diffusion is unique to living organisms. 13. Green light is needed for photosynthesis. 14. Homeostasis occurs in all eukaryotic organisms but not in prokaryotic organisms.

4 MACHING- Select the BES match and enter the letter of your answer. An answer may be used more than once, but only one letter per answer. Match the biochemical process to the number of AP produced. B 15. citric acid cycle B 16. glycolysis E 17. Calvin cycle A. 3 AP B. 6 AP C. 18 AP D. 30 AP Match the biochemical process to its location. C 18. light independent photosynthesis B 19. fermentation or anaerobic respiration E 20. AP producing electron transport system A. chloroplast inner membrane B. cytoplasm = cytosol C. chloroplast fluid D. mitochondrion fluid Match the process to its type of transport B 21. movement using a specific membrane protein A. Osmosis A 22. causes guard cells to form stomata D 23. needs AP B. Facilitated Diffusion C. Diffusion D. Active transport SHOR ANSWER- wo (2) points A new eukaryotic organism is found in a dead zone of the ocean where the water has a very low O2 level. he organism produces 12 AP/glucose and uses no O2. How is this possible? Explain. he organism only uses glycolysis and the citric acid cycle to produce 12 AP. Niacin and riboflavin may be recycled through anaerobic respiration.

5 FORM 3 MULIPLE CHOICE- Select the best answer and write its letter in the space provided. D 1. he amount of solar energy used by plants for photosynthesis is. A. nearly 98% C. almost 20% B. around 40% D. about 2% B 2. Anaerobic respiration in fungi is different from in animals by: A. breaking down glucose. C. both A and B B. producing ethyl alcohol and CO2 D. neither A or B D 3. Which cycle involves both photosynthesis and aerobic respiration? A. Calvin cycle. C. both A and B B. Citric Acid cycle D. neither A or B D 4. A C4 plant does photosynthesis in A. chloroplasts. C. Both A and B B. different cells. D. Neither A or B D 5. In the part of photosynthesis that is light dependent, the following happens: A. AP are produced. D. A and B. B. water is split to form O2. E. A and C C. an enzyme fixes CO2 to a 5C-sugar. B 6. An aquatic single cell organism that is 85% water responds to an environment of 20% salt by: A. losing salts D. A and C B. losing water E. A, B, and C C. increasing in size E 7. Besides temperature, the rate of diffusion into a cell is affected by: A. the size of solutes D. B and C B. its homeostasis E. A and C C. the concentration gradient of solutes E 8. Homeostasis is necessary for the cell to: A. regulate its water balance. D. regulate its metabolism. B. regulate its ph. E. all of these C. regulate its temperature. RUE-FALSE: If you support the statement circle for true; otherwise circle F for false. 9. Homeostasis is found in all organisms. 10. Osmosis is the diffusion of water across a cell membrane. 11. Diffusion is unique to living organisms. F 12. Plants are green because green light is needed for photosynthesis. 13. It takes 2 AP to make glucose higher in energy. F 14. he mitochondria are nearly 100% effient at producing energy.

6 MACHING- Select the BES match and enter the letter of your answer. An answer may be used more than once, but only one letter per answer. Match the biochemical process to its location. E 15. electron transport system B 16. glycolysis A 17. capturing light to split water A. chloroplast inner membrane B. cytoplasm = cytosol C. chloroplast fluid D. mitochondrion fluid Match the process to its type of transport D 18. movement of matter by an energy gradient A. Osmosis A 19. causes guard cells to form stomata B. Facilitated Diffusion A 20. the movement of water through a cell membrane C. Active transport D. Diffusion Match the biochemical process to the number of AP produced. B 21. glycolysis A. 3 AP E 22. fermentation or anaerobic respiration B. 6 AP E 23. electron transport system of mitochondria C. 18 AP D. 30 AP SHOR ANSWER- wo (2) points How might a cell biologist determine if a new venom inhibits the citric acid cycle or the electron transport system. Explain how. Determine how much AP is produced. In Cell Respiration the ES produces 24AP, if it is inhibited only 12 AP are produced. If citric acid cycle is inhibited only the 6 AP from glycolysis are produced.

CELLULAR RESPIRATION. Chapter 7

CELLULAR RESPIRATION. Chapter 7 CELLULAR RESPIRATION Chapter 7 7.1 GLYCOLYSIS AND FERMENTATION If I have a $10.00 bill and a $10.00 check, which is better? ATP is like cash in the cell Glucose, NADH, FADH2 are like checks in a cell.