Which Statement About Vitamins Is True

Multiple Choice

Which statement about vitamins is true?

A) Vitamins, unlike essential amino acids and fatty acids, are not organic molecules.
B) Most vertebrates require the same vitamins.
C) Vitamins function mostly as building blocks for proteins.
D) Vitamins are required in relatively large amounts.
E) Humans require more water-soluble vitamins than fat-soluble vitamins.