Which molecules are reactants in cellular respiration? cellular respiration uses oxygen as a reactant and photosynthesis does not.

Answer

Hi,

The reactants in cellular respiration are oxygen and glucose

Explanation

The process of cellular respiration takes place in the mitochondria. The reactants are oxygen and glucose and the main product is ATP energy. The waste products of cellular respiration are carbon dioxide and water. In photosynthesis, the reactants are light energy, water, carbon dioxide and chlorophyll to produce oxygen, water and glucose.

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