Which of the following reactions or pathways is catabolic? a) converting glucose to carbon dioxide and water (cellular respiration) b)making starch from many glucose molecules. c)photosynthesis: which builds glucose from carbon dioxide using energy from light. d)making atp from adp and phosphate.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

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explanation:

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