Question

1. which of the following helps stabilize tertiary protein structure? (1 point) * a) peptide bond b) glycosidic bond c) phosphate bond d) disulfide bond

Explanation:

• Peptide bonds are involved in the primary structure of proteins (linking amino acids in a polypeptide chain).
• Glycosidic bonds are found in carbohydrates (linking sugar molecules).
• Phosphate bonds are relevant in molecules like ATP (adenosine tri - phosphate) but not in stabilizing protein tertiary structure.
• Disulfide bonds (\(-S - S-\)) are covalent bonds that form between cysteine residues in a polypeptide chain. They play a crucial role in stabilizing the tertiary structure of proteins by creating cross - links within the folded polypeptide.

Answer:

d) Disulfide bond