Enzymes

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.

Front

True or False: An enzyme can only be used once in a chemical reaction.

Back

False. Enzymes can be reused multiple times.

Front

What is another name for enzymes?

Back

Biological catalysts.

Front

What is the role of an enzyme in a chemical reaction?

Back

To decrease the activation energy required for the reaction to occur.

Front

What is a catalyst?

Back

A substance that speeds up a chemical reaction without being consumed in the process.

Front

What is the active site of an enzyme?

Back

The specific region on the enzyme where the substrate binds.

Front

What is a substrate?

Back

The reactant molecule that an enzyme acts upon.

Front

How do enzymes affect the activation energy of a reaction?

Back

Enzymes lower the activation energy, making it easier for the reaction to occur.

Front

What happens to an enzyme after a reaction?

Back

The enzyme remains unchanged and can catalyze subsequent reactions.

Front

What factors can affect enzyme activity?

Back

Temperature, pH, and substrate concentration.