CARBOXYL GROUP

"The carboxyl group is a functional group consisting of a carbon atom double bonded to an oxygen atom and single bonded to a hydroxyl group."

"In organic chemistry, the carboxyl group is commonly found in organic acids, such as acetic acid."

"The carboxyl group is responsible for the acidic properties of carboxylic acids."

"Amino acids contain both an amino group and a carboxyl group."

"The carboxyl group plays a crucial role in peptide bond formation during protein synthesis."