Discussion
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- Question
Organisms can synthesize ATP by oxidative phosphorylation when they
Options- A. ferment
- B. oxidize glucose to pyruvate
- C. pass electrons from the oxidation of chlorophyll through an electron transport system
- D. pass electrons to oxygen through an electron transport system containing cytochromes
- Correct Answer
- pass electrons to oxygen through an electron transport system containing cytochromes
- 1. Which one of the following is produced in the greatest numbers during one turn of the Krebs cycle?
Options- A. NADH
- B. Acetyl-CoA
- C. FADH2
- D. ATP Discuss
- 2. In cellular metabolism, O2 is used
Options- A. to provide electrons for photophosphorylation
- B. in glycolysis
- C. as a terminal electron acceptor
- D. in the Krebs cycle Discuss
- 3. Before most molecules can enter the Krebs citric acid cycle, they must be converted to
Options- A. citric acid
- B. oxaloacetic acid
- C. NADH or FADH
- D. acetyl-CoA Discuss
- 4. In anaerobic respiration, the final electron acceptor can be
Options- A. oxygen
- B. nitrate
- C. pyruvate
- D. acetyl-CoA Discuss
- 5. In lactic acid fermentation, the final electron acceptor would be
Options- A. fructose
- B. pyruvate
- C. glucose
- D. acetyl-CoA Discuss
- 6. Which one of the following is not produced in any of the steps of glycolysis?
Options- A. NAD+
- B. NADH
- C. ADP
- D. ATP Discuss
- 7. For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 8. A yeast or fungal cell produces how many net ATP molecules per molecule of glucose when completely oxidized?
Options- A. 32
- B. 34
- C. 36
- D. 38 Discuss
- 9. Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?
Options- A. 1
- B. 2
- C. 4
- D. 6 Discuss
- 10. The enzymes for glycolysis are located
Options- A. on the inner surface of the cell membrane
- B. on the inner membrane of the mitochondrion
- C. on the outer membrane of the chloroplast
- D. in the cytoplasm Discuss
Energy Release and Conservation problems
Search Results
Correct Answer: NADH
Correct Answer: as a terminal electron acceptor
Correct Answer: acetyl-CoA
Correct Answer: nitrate
Correct Answer: pyruvate
Correct Answer: NAD+
Correct Answer: 3
Correct Answer: 36
Correct Answer: 2
Correct Answer: in the cytoplasm
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