Exercise: Microbial Metabolism

Questions for: Microbial Metabolism

Which of the following is responsible for phosphate solubilization?
A:
Streptococcus
B:
Streptomyces
C:
Bacillus
D:
Clostridium
Answer: C
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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: D
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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 EΒ°= standard oxidation-reduction potential difference)
A:
Ξ”GΒ° = -nFEΒ°
B:
Ξ”GΒ° = nFEΒ°
C:
Ξ”GΒ° = -nFlnEΒ°
D:
Ξ”GΒ° = nFlnEΒ°
Answer: A
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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: D
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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: D
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