The Peptide Hormone Insulin Is Composed of Two Peptide Held

question 20

Multiple Choice

The peptide hormone insulin is composed of two peptide held together primarily by what mechanism?

• A)disulfide bonds between cysteine residues
• B)charge-charge interactions between acidic and basic amino acids
• C)extensive hydrogen bonding due to the relatively high serine and glutamine content
• D)hydrophobic interactions
• E)an amide bond formed from the R-groups of a glutamic acid residue and a lysine residue

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