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Microbial Metabolism

Microbial Metabolism
The specific enzyme/(s) of the glyoxylate cycle is/are

isocitrate lyase
both (a) and (b)
malate synthase
anaplerotic

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

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

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Microbial Metabolism
Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in

phospholipids
all of these
RNA
enzymes

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

all of these
acetate
nitrate
carbon dioxide

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

H2S
H2
S (elemental sulphur)
H2O

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Microbial Metabolism
As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called

dehydrogenations
none of these
electromotive potential
oxidative phosphorylation

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