Question

Which of the following compounds is released when the carboxylic acid group of one amino acid is attracted to the amino group of another amino acid, forming a peptide bond?

Multiple Choice

CONH


R group


H2O



CH3

Answer 1

When the carboxylic acid group of one amino acid reacts with the amino group of another amino acid to form a peptide bond, a molecule of water (H2O) is released in a process known as a condensation reaction (or dehydration synthesis). Therefore, the correct answer is:

**H2O**