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During the process of cellular respiration, NAD⁺ functions as a molecule that transports electrons.

1. True
2. False
3. Both true and false
4. Neither true nor false

Correct answer: True

Solution

NAD⁺ is the oxidized form of nicotinamide adenine dinucleotide, and during cellular respiration it accepts electrons (and a proton) to become NADH. That makes it an electron transport molecule in the process.

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