Discussion
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- Question
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?
Options- A. H2O
- B. H2
- C. H2S
- D. S (elemental sulphur)
- Correct Answer
- H2O
- 1. In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is
Options- A. nitrate
- B. oxygen
- C. sulfate
- D. CO2 Discuss
- 2. The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of
Options- A. alanine
- B. methionine
- C. tryptophan
- D. lysine Discuss
- 3. The reaction, where small precursor molecules are assembled into larger organic molecules is referred as
Options- A. anabolism
- B. catabolism
- C. metabolism
- D. any of these Discuss
- 4. Digestive reactions where large molecules are broken down into smaller ones are referred as
Options- A. anabolism
- B. catabolism
- C. metabolism
- D. biosynthesis Discuss
- 5. Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?
Options- A. Sulfate-reducing bacteria
- B. Methanotrophs (methane-oxidizing microbes)
- C. Methanogens (methane-producing microbes)
- D. Acetogens (acetigens; acetate-producing microbes) Discuss
- 6. Which of the following does not produce oxygen as a product of photosynthesis?
Options- A. Oak trees
- B. Purple sulfur bacteria
- C. Cyanobacteria
- D. Phytoplankton Discuss
- 7. Standard free energy change (?G) can be expressed as
Options- A. ?G° = -RTlnkeq
- B. ?G° = RTlnkeq
- C. ?G° = R/Tlnkeq
- D. ?G° = -RT/lnkeq Discuss
- 8. Entner - Doudoroff pathway is not found in
Options- A. aerobic prokaryotes
- B. anaerobic prokaryotes
- C. Both (a) and (b)
- D. eukaryotes Discuss
- 9. High energy transfer compounds are capable of
Options- A. accepting large amounts of free energy
- B. transferring large amounts of free energy
- C. measuring free energy
- D. none of the above Discuss
- 10. The role of bacteriophyll in an oxygenic photosynthesis is to
Options- A. reduce ferridoxin directly
- B. reduce NADP directly
- C. use light energy to energize an electron
- D. transfer electrons to an intermediate in the sulfide oxidation pathway Discuss
Microbial Metabolism problems
Search Results
Correct Answer: oxygen
Correct Answer: tryptophan
Correct Answer: anabolism
Correct Answer: catabolism
Correct Answer: Methanogens (methane-producing microbes)
Correct Answer: Purple sulfur bacteria
Correct Answer: ?G° = -RTlnkeq
Correct Answer: eukaryotes
Correct Answer: transferring large amounts of free energy
Correct Answer: use light energy to energize an electron
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