Substrate Molecules

Definition

Substrate molecules are reactants upon which enzymes act during biochemical reactions. They bind at an enzyme's active site and get converted into products through chemical reactions.

Related terms

Enzyme:

A protein that acts as a biological catalyst to speed up biochemical reactions.

Product: The end result of an enzymatic reaction, formed from substrate molecules.

Reaction Rate:

The speed at which reactants are converted into products in a chemical reaction.