When a peptide bond is formed between two amino acids, water is removed as a byproduct. Which group contributes the OH to form water, and which group contributes the hydrogen?
CONTRIBUTES OH = CARBOXYL GROUP (ACCEPT: CARBOXYL, COOH, OR COOH GROUP); CONTRIBUTES HYDROGEN = AMINO GROUP (ACCEPT: AMINO, NH\({}{2}\), OR NH\({}{2}\) GROUP)