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Energy Release and Conservation

Energy Release and Conservation
Before most molecules can enter the Krebs citric acid cycle, they must be converted to

NADH or FADH
acetyl-CoA
oxaloacetic acid
citric acid

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Energy Release and Conservation
Glucose can be broken down to pyruvate by

none of these
Entner-Doudoroff pathway
both (a) and (b)
tricarboxylic acid cycle

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Energy Release and Conservation
The amount of ATP that can be obtained by complete oxidation of a glucose by a bacterium is

lesser than by a yeast cell
none of these
exactly or approximately equal to by a yeast cell
greater than by a yeast cell

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Energy Release and Conservation
For each pair of electrons passing from NADH located inside the mitochondria to oxygen, how many ATP molecules can be generated?

2
4
3
1

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Energy Release and Conservation
How many oxygen molecules are required in the fermentation of one molecule of glucose to ethanol and CO2?

2
0 
1
36

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Energy Release and Conservation
In cellular metabolism, O2 is used

to provide electrons for photophosphorylation
as a terminal electron acceptor
in the Krebs cycle
in glycolysis

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