The number of \ce{C=O} groups present in a tripeptide Asp-Glu-Lys is .

Question

Canvas Classes · Accepted Answer

The tripeptide contains 1 C-terminal carboxyl group and 2 peptide bonds. Additionally, the Asp side chain has 1 carboxyl group and the Glu side chain has 1 carboxyl group. The Lys side chain is an amine, with no C=O. Total = 1 + 2 + 1 + 1 = 5.

More questions from Biomolecules