D) a change in protein synthesis
<span>During respiration, cells use the simplest, digested form of carbohydrate foods, glucose, and produce energy from it. The reaction takes place in the presence of oxygen and its by-products are carbon dioxide and water. Therefore, the answer is the process where energy from food is used by the cell.</span>
The answer is C. Hope i could help
Answer: smart ppl wya
Explanation: cuz i aint one