Compound X is used as an energy source in respiration.
Suggest the name of compound X.

Glucose

Explanation:

After reading the overview of cellular respiration, the primary or initial fuel of respiration should be clear - it's glucose, which is the molecule of sugar that plants create for animals (as well as the plant itself) to utilize as an energy source.

Hope this helps

i think it is dna, i'm not totally sure but i think it might be.

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.