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Microbial Metabolism

Microbial Metabolism
Anoxygenic photosynthetic bacteria oxidize

ammonia
sulfide
oxgyen
water

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Microbial Metabolism
Which of the following is responsible for phosphate solubilization?

Streptomyces
Bacillus
Streptococcus
Clostridium

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Microbial Metabolism
Digestive reactions where large molecules are broken down into smaller ones are referred as

biosynthesis
anabolism
catabolism
metabolism

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Microbial Metabolism
Standard free energy change (ΔG) can be expressed as

ΔG° = R/Tlnkeq
ΔG° = RTlnkeq
ΔG° = -RTlnkeq
ΔG° = -RT/lnkeq

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Microbial Metabolism
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)

ΔG° = nFlnE°
ΔG° = nFE°
ΔG° = -nFlnE°
ΔG° = -nFE°

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Microbial Metabolism
Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

Sulfate-reducing bacteria
Methanotrophs (methane-oxidizing microbes)
Methanogens (methane-producing microbes)
Acetogens (acetigens; acetate-producing microbes)

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