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