Cellular respiration is different than breathing because? a. it involves an exchange of oxygen and carbon dioxide b. it involves a chemical reaction c. it occurs in all living things d. it releases carbon dioxide as a waste

B) it involves a chemical reaction.

Breathing is a part of physiologicalrespiration and functions to bring oxygen into the lungs and expel carbon dioxide. Cellular respiration is a chemical process by which energy is obtained within individual cells from biomolecules like glucose.

Explanation:

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).