Discussion
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- Question
Nitrogen fixation is a process that requires
Options- A. energy
- B. an anaerobic environment
- C. both (a) and (b)
- D. an aerobic environment
- Correct Answer
- both (a) and (b)
- 1. The chlorophyll molecules used by eucaryotes and cyanobacteria absorb radiant energy in the____________portion(s) of the visible spectrum.
Options- A. red
- B. green
- C. red and blue
- D. green and ultraviolet Discuss
- 2. In the passive diffusion, solute molecules cross the membrane as a result of
Options- A. concentration difference
- B. pressure difference
- C. ionic difference
- D. all of these Discuss
- 3. The catabolic reaction, pentose-phosphate exists in
Options- A. prokaryotic cells
- B. eukaryotic cells
- C. prokaryotic and eukaryotic cells both
- D. none of these Discuss
- 4. Which of the following(s) is/are the products of the light reactions of photosynthesis?
Options- A. ATP only
- B. NADPH only
- C. ATP and O2 only
- D. ATP, NADPH, and O2 Discuss
- 5. In aerobic respiration, the terminal electron acceptor is
Options- A. oxygen
- B. nitrogen
- C. hydrogen
- D. nitrate Discuss
- 6. Aerobic catabolism of glucose yields how much energy (ATP synthesized) relative to glucose fermentation?
Options- A. Slightly less
- B. About the same
- C. Twice as much
- D. More than 10 times as much Discuss
- 7. Anoxygenic photosynthetic bacteria oxidize
Options- A. water
- B. oxgyen
- C. sulfide
- D. ammonia Discuss
- 8. The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)
Options- A. ?G° = -nFE°
- B. ?G° = nFE°
- C. ?G° = -nFlnE°
- D. ?G° = nFlnE° Discuss
- 9. Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate?
Options- A. Alkaline phosphates
- B. Oxidoreductase
- C. Protease
- D. Hydrogenase Discuss
- 10. The specific enzyme/(s) of the glyoxylate cycle is/are
Options- A. isocitrate lyase
- B. malate synthase
- C. both (a) and (b)
- D. anaplerotic Discuss
Microbial Metabolism problems
Search Results
Correct Answer: red and blue
Correct Answer: concentration difference
Correct Answer: prokaryotic and eukaryotic cells both
Correct Answer: ATP, NADPH, and O2
Correct Answer: oxygen
Correct Answer: More than 10 times as much
Correct Answer: sulfide
Correct Answer: ?G° = -nFE°
Correct Answer: Alkaline phosphates
Correct Answer: both (a) and (b)
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