Solutions For Admission Assessment Exam Review Chapter E Problem 10BPT

These R groups may be polar, charged and hydrophobic. All the proteins have multiple levels of the structure known as, “primary, secondary, tertiary, and quaternary structure.” The lipids are not polymers of amino acids.

Thus, the options (a), (c) and (d) are incorrect.

Proteins are the polymers of long chain amino acids (monomers of proteins), which are linked together by peptide bonds. Amino acids contain one hydrogen atom, one amine group (-NH2), one carboxylic acid group (-COOH) and a side chain (R group) attached to the central carbon atom.

Therefore, the correct option is –.