Microbiology - Microbial Metabolism

Exercise :: Microbial Metabolism - Section 1

  • Microbial Metabolism - Section 1
46. 

Entner - Doudoroff pathway is not found in

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

Answer: Option D

Explanation:

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47. 

Aerobic catabolism of glucose yields how much energy (ATP synthesized) relative to glucose fermentation?

A. Slightly less
B. About the same
C. Twice as much
D. More than 10 times as much

Answer: Option D

Explanation:

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48. 

The bacteriochlorophylls used by the anoxygenic bacteria have absorbance maxima located in the_____portion(s) of the spectrum.

A. green
B. blue
C. ultraviolet
D. infrared

Answer: Option D

Explanation:

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49. 

The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)

A. ΔG° = -nFE°
B. ΔG° = nFE°
C. ΔG° = -nFlnE°
D. ΔG° = nFlnE°

Answer: Option A

Explanation:

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50. 

ATPase

A. synthesizes ATP, coupled to transfer of extracellular protons into the cell
B. extrudes protons from the cell coupled to the hydrolysis of ATP to ADP
C. is the enzyme that incorporates ATP into messenger RNA
D. carries out each of the reactions indicated in (a) and (b)

Answer: Option D

Explanation:

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