When cells use chemical energy obtained from food, this is known as a. photosynthesis. b. respiration. c. mitosis. d. digestion.

A. photosynthesis, is the process plants use to create food using energy from sunlight.

b.

Explanation:

Eukaryotic cells use three major processes to transform the energy held in the chemical bonds of food molecules into more readily usable forms — often energy-rich carrier molecules. Adenosine 5'-triphosphate, or ATP, is the most abundant energy carrier molecule in cells.

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