Enzymes

Front

What is a substance called if it speeds up a chemical reaction?

Back

A catalyst.

Front

What effect do enzymes have on the speed of a reaction and the amount of energy used?

Back

Enzymes make a reaction go faster and use less energy.

Front

How do enzymes affect the activation energy of a reaction?

Back

Enzymes decrease the activation energy of the reaction.

Front

In a chemical reaction, what are the substances formed at the end called?

Back

Products.

Front

Which enzyme is most efficient in a basic solution?

Back

Enzyme B.

Front

What is the role of enzymes in biological systems?

Back

Enzymes act as catalysts to speed up biochemical reactions.

Front

What is the term for the specific region on an enzyme where the substrate binds?

Back

Active site.

Front

What is the relationship between enzyme concentration and reaction rate?

Back

Increasing enzyme concentration generally increases the reaction rate, provided there is enough substrate.

Front

What factors can affect enzyme activity?

Back

Temperature, pH, substrate concentration, and enzyme concentration.

Front

What is the term for a molecule that binds to an enzyme and decreases its activity?

Back

Inhibitor.