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During the reaction C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, which compound is reduced as a result of the reaction?
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3. Energy & Cell Processes
Redox Reactions
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When glucose donates electrons to NAD+ creating NADH, the glucose molecule becomes:
A
Hydrolyzed.
B
Oxidized.
C
Neutral.
D
Reduced.
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Understand the concept of oxidation and reduction: Oxidation involves the loss of electrons, while reduction involves the gain of electrons.
Identify the role of glucose in the reaction: Glucose donates electrons to NAD+, which means it is losing electrons.
Recognize that losing electrons is characteristic of oxidation: Since glucose is losing electrons, it is undergoing oxidation.
Consider the role of NAD+ in the reaction: NAD+ is gaining electrons from glucose, which means NAD+ is being reduced to form NADH.
Conclude that when glucose donates electrons to NAD+, it is oxidized, as it loses electrons in the process.
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