Microbial Metabolism problems
- 1. Phosphate deregulated mutants are
Options- A. less sensitive to phosphate regulation
- B. moderately sensitive to phosphate regulation
- C. highly sensitive to phosphate regulation
- D. none of these Discuss
Correct Answer: less sensitive to phosphate regulation
- 2. In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via
Options- A. substrate level phosphorylation
- B. oxidative phosphorylation
- C. both (a) and (b)
- D. DNA Discuss
Correct Answer: both (a) and (b)
- 3. Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in
Options- A. enzymes
- B. RNA
- C. phospholipids
- D. all of these Discuss
Correct Answer: all of these
- 4. When acetate is the sole source of carbon for some microorganisms, the cycle which is used, is called
Options- A. pentose phosphate pathway
- B. glycolyic pathway
- C. glyoxylate pathway
- D. oxaloacetate pathway Discuss
Correct Answer: glyoxylate pathway
- 5. Entner-Doudoroff pathway is found in
Options- A. aerobic prokaryotes
- B. anaerobic prokaryotes
- C. both (a) and (b)
- D. aerobic eukaryotes Discuss
Correct Answer: both (a) and (b)
- 6. Hexose monophosphate pathway is also known as
Options- A. phosphogluconate pathway
- B. oxaloacetate pathway
- C. malate pathway
- D. fumerate pathway Discuss
Correct Answer: phosphogluconate pathway
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