Discussion
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- Question
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
- Correct Answer
- all of these
- 1. 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
- 2. 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
- 3. The acquisition energy by glucose fermentation requires
Options- A. substrate-level phosphorylation
- B. electron transport of electrons from NADH
- C. long-chain fatty acid oxidation
- D. the enzyme formic-hydrogen lyase Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. Entner-Doudoroff pathway is found in
Options- A. aerobic prokaryotes
- B. anaerobic prokaryotes
- C. both (a) and (b)
- D. aerobic eukaryotes Discuss
- 8. Hexose monophosphate pathway is also known as
Options- A. phosphogluconate pathway
- B. oxaloacetate pathway
- C. malate pathway
- D. fumerate pathway Discuss
- 9. Which of the following is used for determining the location of specific genes within the genome?
Options- A. Genomics
- B. Annotation
- C. Cloning
- D. Proteomics Discuss
- 10. Why the bacterium Treponema pallidum is difficult to culture?
Options- A. Because it requires a great deal of water to reproduce
- B. Because it is unable to use carbohydrates as an energy source
- C. Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
- D. Because it requires extremely low temperature at which water freezes Discuss
Microbial Metabolism problems
Search Results
Correct Answer: both (a) and (b)
Correct Answer: less sensitive to phosphate regulation
Correct Answer: substrate-level phosphorylation
Correct Answer: use light energy to energize an electron
Correct Answer: transferring large amounts of free energy
Correct Answer: glyoxylate pathway
Correct Answer: both (a) and (b)
Correct Answer: phosphogluconate pathway
Correct Answer: Annotation
Correct Answer: Because it lacks the genes needed for TCA cycle and oxidative phosphorylation
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