3. Amino Acids

Which macromolecule is composed of amino acids as its monomeric units?

Which hormone is synthesized from a single amino acid residue (i.e., derived from one amino acid) rather than from a peptide chain?

Which part of an individual amino acid distinguishes it from other amino acids?

Which of the following best describes the side group (R group) of the amino acid glycine?

In a standard amino acid, what does the R group represent?

Which of the following lists contains all three branched-chain amino acids (BCAAs)?

Which monomer makes up a polypeptide?

In the amino acid shown here, which functional group is always present in all standard amino acids?

Which group is responsible for making each amino acid unique?

Which of the following is true of amino acids?

Which of the following amino acids is classified as a basic (positively charged) amino acid at physiological pH?

The bonds found within hair that help organize protein chains in order to build hair are called:

How many distinct pKa values would you expect for the amino acid aspartic acid?

Given the amino acid glutamic acid (which has a negatively charged side chain at physiological pH), with which of the following amino acids would it be more likely to form an ionic interaction?

Removal of the sulfhydryl (–SH) functional group would disrupt the structure of which amino acid?