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Microbial Metabolism

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

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

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Microbial Metabolism
For each glucose molecule broken down, there are______________number of reduced coenzymes to be oxidized.

6
8
4
12

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Microbial Metabolism
If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in

cellular bicarbonate
nucleic acids
the fatty acids
the cytoplasmic membrane

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Microbial Metabolism
Phosphate is considered to restrict the induction of

none of these
secondary metabolites
both (a) and (b)
primary metabolites

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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° = -nFE°
ΔG° = -nFlnE°

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Microbial Metabolism
DAHP synthetase catalyzes the condensation of

erythrose-4-phosphate
phenylalanine
phosphoenol pyruvate
both (a) and (b)

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