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Microbial Metabolism

Microbial Metabolism
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?

H2O
H2
S (elemental sulphur)
H2S

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

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

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

12
8
6
4

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Microbial Metabolism
The glyoxylate cycle is used by some microorganisms when___________ is the sole carbon source.

nitrate
carbon dioxide
acetate
all of these

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Microbial Metabolism
During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.

phosphoglyceraldehyde; NADPH+H+
ribulose 1,5 - bisphosphate; NADH+H+
pyruvic acid; NADPH+H+
phosphoglyceraldehyde; NADH+H+

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Microbial Metabolism
The reactions of the cell that are carried out for capturing energy are called

catabolism
activation energy
anabolism
metabolism

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