Microbiology - Microbial Metabolism

Exercise :: Microbial Metabolism - Section 1

  • Microbial Metabolism - Section 1
41. 

The phosphate inhibition in the clavine formation with Claviceps SD58, can be counteracted by the addition of

A. alanine
B. methionine
C. tryptophan
D. lysine

Answer: Option C

Explanation:

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42. 

The major route for incorporation of ammonia (NH4+) into organic compounds is via

A. reduction of pyruvate or alpha-ketoglutarate by enzymes
B. atmospheric nitrogen fixation
C. oxidation of pyruvate
D. all of these

Answer: Option A

Explanation:

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43. 

The specific enzyme/(s) of the glyoxylate cycle is/are

A. isocitrate lyase
B. malate synthase
C. both (a) and (b)
D. anaplerotic

Answer: Option C

Explanation:

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44. 

If ΔG of a chemical reaction has a negative value, the reaction

A. releases energy
B. requires energy
C. both (a) and (b)
D. none of these

Answer: Option A

Explanation:

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45. 

The catabolic reaction, pentose-phosphate exists in

A. prokaryotic cells
B. eukaryotic cells
C. prokaryotic and eukaryotic cells both
D. none of these

Answer: Option C

Explanation:

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