Which of the following is a characteristic of minerals but not vitamins?
A. Minerals are needed in very small amounts each day, while vitamins are needed in relatively large amounts.
B. Minerals frequently function as coenzymes to energy metabolism enzymes, while vitamins are needed for fluid balance.
C. Minerals tend to have very high rates of absorption from the gastrointestinal tract, while vitamins are absorbed poorly.
D. Minerals are inorganic molecules, while vitamins are organic.
Ans: D. Minerals are inorganic molecules, while vitamins are organic.
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