Question

what type of bond joins the monomers in a proteins primary structure?
options:
○ hydrophobic
○ hydrogen
○ ionic
○ peptide
○ s - s

Explanation:

To determine the bond joining monomers (amino acids) in a protein's primary structure, we analyze each option:

• Hydrophobic: A type of interaction, not a bond for primary structure.
• Hydrogen: Involved in secondary/tertiary, not primary.
• Ionic: Involved in tertiary/quaternary, not primary.
• Peptide: Amino acids are linked by peptide bonds (amide bonds) in primary structure.
• S - S: Disulfide bonds, involved in tertiary/quaternary.

Answer:

peptide (the option labeled "peptide")