From which substrate is the first carbon dioxide molecule released during cellular respiration?

a. glucose

b. pyruvate

c. acetyl coa

d. citrate (a c6 intermediate compound in the krebs cycle)

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the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

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