What is the functional group that is common to all amino acids?
A)Ester group
B)Hydroxy group
C)Amide group
D)Nitrogen group
E)Nitrile group

Question

Quizplus · Accepted Answer

The functional group that is common to all amino acids is the amide group. This is because all amino acids have an amine group (-NH2) on one end and a carboxylic acid group (-COOH) on the other end, which react with each other to form an amide bond (-CONH-) in the middle. This amide bond is what gives amino acids their characteristic structure and reactivity.

What Is the Functional Group That Is Common to All