How often does the body perform cellular respiration?
a. once in the morning and once at night
b. only at night
c. continuously
d. only when the body runs out of atp

Ans. (C).continuously.

Cellular respiration can be defined as a metabolic process, which involves breakdown of carbohydrate molecules to produce energy in the form of ATP molecules. These ATP molecules release energy during chemical hydrolysis.

Cells present in body require a continuous supply of energy to preform all of metabolic reactions. Hence, cells perform cellular respiration continuously or constantly.

Thus, the correct answer is option (C).

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