Exercise: Energy Release And Conservation

Questions for: Energy Release And Conservation

The final electron acceptor in the electron transport chain is
A:
CoQ
B:
a cytochrome
C:
FMN
D:
oxygen
Answer: D
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Which of the following best explains about the usefulness of the production of ethanol in yeast cells under anaerobic conditions?
A:
Ethanol keeps the electron transport system functioning
B:
Yeast would be unable to activate the enzymes of the Krebs cycle without ethanol
C:
The process generates oxygen, which is required for glycolysis
D:
The process regenerates NAD+, which is required for glycolysis
Answer: D
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Suppose a eukaryotic cell had a mutation that prevented the production of cytochrome c. As a result of this mutation, which of the following processes would not occur?
A:
Cellular respiration
B:
Photosynthesis
C:
Mitosis
D:
Cell wall synthesis
Answer: A
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In glycolysis, ATP is created by
A:
photophosphorylation
B:
the chemiosmotic mechanism
C:
substrate level phosphorylation
D:
the pentose phosphate pathway
Answer: C
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In cellular metabolism, O2 is used
A:
to provide electrons for photophosphorylation
B:
in glycolysis
C:
as a terminal electron acceptor
D:
in the Krebs cycle
Answer: C
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