Which discorvery did not contribute to cell theory

B) All cells require ATP for energy

Explanation:

This talks about cellular respiration and not cell theory.

Cellular respiration is the process that involves the breaking down of glucose (C6H12O6) and other respiratory substances to release energy carrying molecules known as ATP (Adenosine triphosphate).

ATP is known for powering cells, it is an energy that carries molecules used in cell because of its ability to release quick energy.

•Note that; most processes that involves cells requires ATP to supply the energy required for the reaction.

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c. parental