Microbiology - Microbial Metabolism

Exercise :: Microbial Metabolism - Section 1

  • Microbial Metabolism - Section 1
26. 

The glyoxylate cycle is used by some microorganisms when___________ is the sole carbon source.

A. acetate
B. nitrate
C. carbon dioxide
D. all of these

Answer: Option A

Explanation:

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27. 

Incorporation of atmospheric N2to NH4+ occurs via the process of

A. assimilatory nitrate reduction
B. transamination
C. deamination
D. nitrogen fixation

Answer: Option D

Explanation:

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28. 

The role of bacteriophyll in an oxygenic photosynthesis is to

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

Answer: Option C

Explanation:

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29. 

TCA cycle functions in

A. catabolic reactions
B. anabolic reactions
C. amphibolic reactions
D. none of these

Answer: Option C

Explanation:

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30. 

Entner-Doudoroff pathway is found in

A. aerobic prokaryotes
B. anaerobic prokaryotes
C. both (a) and (b)
D. aerobic eukaryotes

Answer: Option C

Explanation:

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