Question

which functional group is not present in this molecule? ho c o h h - c - c - oh h n h h carboxyl sulfhydryl hydroxyl amino

Explanation:

The carboxyl group (-COOH) is present at the top - left of the molecule. The hydroxyl group (-OH) is present on the right - hand side of the molecule. The amino group (-NH₂) is present at the bottom - left of the molecule. The sulfhydryl group (-SH) is not present in the given molecule.

Answer:

Sulfhydryl