Discussion
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- Question
Which of the following is accomplished in chemiosmosis?
Options- A. The oxidation of ATP
- B. The oxidation of water
- C. The oxidation of NADH
- D. The oxidation of CO2
- Correct Answer
- The oxidation of NADH
- 1. Aerobic respiration differs from anaerobic respiration in which of the following respects?
Options- A. Anaerobic respiration is glycolysis
- B. Aerobic respiration requires the electron transport chain
- C. The final electron acceptors are different
- D. Aerobic respiration produces less ATP Discuss
- 2. Which of the following is the most complete definition of fermentation?
Options- A. Oxidation of glucose with organic molecules serving as electron acceptors
- B. Complete catabolism of glucose to CO2 and HO2
- C. Production of energy by substrate-level phosphorylation
- D. Production of ethyl alcohol from glucose Discuss
- 3. Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?
Options- A. Ethanol keeps the electron transport system functioning
- B. Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
- C. The process generates oxygen, which is required for glycolysis
- D. The process regenerates NAD+, which is required for glycolysis Discuss
- 4. The enzymes that catalyze the reactions of the Krebs cycle are found in which subcellular organelle of eukaryotes?
Options- A. Mitochondrion
- B. Chloroplast
- C. Ribosome
- D. Endoplasmic reticulum Discuss
- 5. How many molecules of carbon dioxide will be given off during ten turns of the Krebs cycle?
Options- A. 10
- B. 20
- C. 30
- D. 40 Discuss
- 6. The amount of ATP that can be obtained by complete oxidation of a glucose by a bacterium is
Options- A. greater than by a yeast cell
- B. lesser than by a yeast cell
- C. exactly or approximately equal to by a yeast cell
- D. none of these Discuss
- 7. Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?
Options- A. Cellular respiration
- B. Photosynthesis
- C. Mitosis
- D. Cell wall synthesis Discuss
- 8. The final electron acceptor in the electron transport chain is
Options- A. CoQ
- B. a cytochrome
- C. FMN
- D. oxygen Discuss
- 9. The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is
Options- A. greater than aerobic metabolism
- B. less than aerobic metabolism
- C. exactly or approximately equal to aerobic metabolism
- D. none of the above Discuss
- 10. Fatty acids are oxidized to acetyl-CoA by which of the following pathways?
Options- A. ?-oxidation
- B. Entner-Doudoroff
- C. pentose phosphate pathway
- D. Embden-Meyerhof pathway Discuss
Energy Release and Conservation problems
Search Results
Correct Answer: The final electron acceptors are different
Correct Answer: Oxidation of glucose with organic molecules serving as electron acceptors
Correct Answer: The process regenerates NAD+, which is required for glycolysis
Correct Answer: Mitochondrion
Correct Answer: 20
Correct Answer: greater than by a yeast cell
Correct Answer: Cellular respiration
Correct Answer: oxygen
Correct Answer: exactly or approximately equal to aerobic metabolism
Correct Answer: ?-oxidation
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