asked 187k views
5 votes
Cellular respiration reactions are catalyzed by ______.

A. Carbohydrate molecules
B.Protein molecules
C.Cholesterol molecules
D.Glucose molecules

1 Answer

5 votes
Enzymes catalyze reactions by lowering the activation energy of the reaction. Enzymes are made of proteins, and therefore the answer here is B. Protein molecules.

answered
User Halloleo
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