enzym

Front

What do enzymes do?

Back

Build things up or break them down.

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 region on the enzyme where the substrate binds.

Front

What is a substrate?

Back

The reactant molecule that an enzyme acts upon.

Front

What is the enzyme-substrate complex?

Back

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

Front

What happens to an enzyme when it is denatured?

Back

It loses its shape and can no longer function.

Front

What factors can affect enzyme activity?

Back

Temperature, pH, and substrate concentration.

Front

What is the role of enzymes in digestion?

Back

Enzymes break down food into smaller molecules that can be absorbed by the body.

Front

What is activation energy?

Back

The minimum energy required for a chemical reaction to occur.

Front

How do enzymes lower activation energy?

Back

By providing an alternative reaction pathway.