Microbiology - Microbial Metabolism

Exercise :: Microbial Metabolism - Section 1

  • Microbial Metabolism - Section 1
51. 

Which of the following is responsible for phosphate solubilization?

A. Streptococcus
B. Streptomyces
C. Bacillus
D. Clostridium

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

52. 

Phosphate deregulated mutants are

A. less sensitive to phosphate regulation
B. moderately sensitive to phosphate regulation
C. highly sensitive to phosphate regulation
D. none of these

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

53. 

The mechanism of passive or facilitated diffusion require

A. metabolic energy
B. concentration of solute against an electrochemical gradient
C. accumulation of solute against an electrochemical gradient
D. accumulation or concentration of solute against an electrochemical gradient

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

54. 

Nitrogen fixation is a process that requires

A. energy
B. an anaerobic environment
C. both (a) and (b)
D. an aerobic environment

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

55. 

Bacteriochlorophyll differs from chlorophyll in what way?

A. The chelated metal in bacteriochlorophyll is not Mg
B. There are chemical differences between the two chlorophyll in their side (R) groups
C. They have different absorption spectra
D. Both (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.