Examlex
Which of the following is a correct statement?
Cholesterol
A waxy, fat-like substance found in all cells of the body, necessary for the formation of cell membranes, certain hormones, and vitamin D.
Steroids
Organic compounds with four rings arranged in a specific molecular configuration, important in biology, chemistry, and medicine.
Nucleic Acid Derivatives
Molecules derived from nucleic acids, such as nucleotides, which play essential roles in genetic information storage and energy transfer.
Polypeptides
Chains of amino acids linked by peptide bonds, serving as building blocks for proteins.
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