Enzymes

Front

What is an enzyme?

Back

A biological catalyst that speeds up chemical reactions in living organisms.

Front

What is the active site of an enzyme?

Back

The specific region on an enzyme where the substrate binds.

Front

What is a substrate?

Back

The reactant molecule upon which an enzyme acts.

Front

What are products in a chemical reaction?

Back

The substances that are produced as a result of a chemical reaction.

Front

How do enzymes speed up reactions?

Back

By lowering the activation energy required for the reaction to occur.

Front

What is an enzyme-substrate complex?

Back

A temporary complex formed when an enzyme binds to its substrate.

Front

What is an exothermic reaction?

Back

A chemical reaction that releases energy, usually in the form of heat.

Front

What is an endothermic reaction?

Back

A chemical reaction that absorbs energy from its surroundings.

Front

What factors affect enzyme activity?

Back

Temperature, pH, substrate concentration, and enzyme concentration.

Front

What is enzyme denaturation?

Back

The process in which an enzyme loses its functional shape due to extreme conditions.