Vitamins are organic molecules that often function as coenzymes, assisting enzymes in their catalytic activities and playing roles in metabolic pathways, but they are not themselves enzymes or direct sources of energy.

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Vitamins Are

Question 35

Multiple Choice

Vitamins are

A) molecules that assist enzymes in chemical reactions or assist in energy-related pathways.
B) enzymes that catalyze chemical reactions in cells.
C) nutrients that are directly metabolized through cellular respiration pathways, providing energy for the cell.
D) organic nutrients that break down to form energy for the cell.
E) molecules that lower the activation energy of chemical reactions, allowing them to proceed rapidly.

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