Enzymes

Front

What is the pH of a neutral substance?

Back

7

Front

Can enzymes be used multiple times in reactions?

Back

Yes, enzymes can be used again and again.

Front

Do enzymes act on many different substrates?

Back

No, enzymes are specific and act on particular substrates.

Front

How do enzymes speed up chemical reactions?

Back

By lowering the activation energy.

Front

What is a substance that is acted upon by an enzyme called?

Back

Substrate.

Front

What is the role of a coenzyme?

Back

Coenzymes assist enzymes in catalyzing reactions.

Front

What happens to enzymes at high temperatures?

Back

They can denature and lose their function.

Front

What is the active site of an enzyme?

Back

The region where the substrate binds and the reaction occurs.

Front

What is enzyme specificity?

Back

The ability of an enzyme to choose exact substrate from a group of similar chemical molecules.

Front

What factors affect enzyme activity?

Back

Temperature, pH, and substrate concentration.