Definition |
Joining of two molecules with the formation of a covalent bond, resulting in the release of a water molecule |
Breaking down of a molecule into two smaller molecules with the addition of a water molecule |
Also known as |
Dehydration synthesis |
Hydrolytic cleavage |
Type of reaction |
Anabolic (building up) |
Catabolic (breaking down) |
Energy |
Requires energy |
Releases energy |
Water |
Water is removed |
Water is added |
Example |
Formation of a peptide bond between amino acids |
Breakdown of a peptide bond into amino acids |
Occurrence |
Occurs in the synthesis of macromolecules like proteins, carbohydrates, and nucleic acids |
Occurs in the digestion of macromolecules into their constituent monomers |
Reaction direction |
Goes from smaller molecules to larger molecules |
Goes from larger molecules to smaller molecules |