Question

in many biochemical reactions, individual subunits are joined to form larger macromolecules with the release of water molecules. how are these reactions classified?
dehydration synthesis reactions
catabolic reactions
oxidation reactions
hydration synthesis reactions

Explanation:

Dehydration synthesis reactions involve the joining of smaller subunits to form larger macromolecules with the release of water molecules. Catabolic reactions break down larger molecules. Oxidation reactions involve the loss of electrons. There is no such thing as hydration - synthesis reactions in this context.

Answer:

A. dehydration synthesis reactions