Frage 1
Frage
Which molecule in this reaction is oxidized?
Antworten
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Glucose
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Oxygen
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Carbon dioxide
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Water
Frage 2
Frage
In this reaction, electrons are transferred directly from glucose to oxygen.
Frage 3
Frage
In this series of reactions, NAD+ is oxidized.
Frage 4
Frage
In aerobic respiration, what is the ultimate fate of the electrons NADH is carrying?
Antworten
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They are transferred to oxygen.
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They are transferred to glucose.
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They are transferred to water.
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They are transferred to ATP.
Frage 5
Frage
The letter 'A' in this diagram represents glycolysis.
Frage 6
Frage
The letter 'C' could represent oxygen gas.
Frage 7
Frage
The process that links 'A' and 'B' produces NADH and carbon dioxide.
Frage 8
Frage
Process 'A' involves oxidation-reduction reactions, but process 'B' does not.
Frage 9
Frage
The molecule represented by the letter 'D' is most likely carbon dioxide.
Frage 10
Frage
The letter 'E' could represent NADH and FADH2.
Frage 11
Frage
In the process labeled 'F', ATP is synthesized by substrate-level phosphorylation.
Frage 12
Frage
If the thick yellow line in this image represents the mitochondrial membranes, what do 1 and 2 represent?
Antworten
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1 is oxygen and 2 is ATP.
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1 is oxygen and 2 is NADH.
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1 is carbon dioxide and 2 is ATP.
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1 is carbon dioxide and 2 is NADH.
Frage 13
Frage
The substance labeled 'A' is most likely an electron.
Frage 14
Frage
The region labeled 'C' is the intermembrane space in the mitochondrion.
Frage 15
Frage
'A' represents an electron transport chain.
Frage 16
Frage
A phosphorylation reaction occurs at 'C'.
Frage 17
Frage
'E' most likely represents NADH.
Frage 18
Frage
'F' represents the ultimate electron donor in aerobic respiration.
Frage 19
Frage
In the absence of oxygen, organisms will break down pyruvate into carbon dioxide and alcohol or lactic acid. These pathways allow for
Antworten
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the production of more ATP than in the presence of oxygen
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the regeneration of NAD+ that has been depleted
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the oxidation of water to produce needed oxygen molecules
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a shift from respiration to photosynthesis in the cell
Frage 20
Frage
The ATP generated by glycolysis is produced by
Antworten
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oxidative phosphorylation
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substrate-level phosphorylation
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the dephosphorylation of ADP
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pyruvate