enzyme

A protein that makes chemical changes happen faster in living things.

• The enzyme speeds up the reaction.
• High temperatures can damage these enzymes.
• Researchers studied how the enzyme works inside living cells.

Common phrases: enzyme activity, enzyme production, active enzyme

A substance that helps break large sugar molecules into smaller ones.

• This enzyme breaks down starch.
• Saliva contains an enzyme that helps digest food.
• They measured how quickly the enzyme released smaller sugars.

Common phrases: starch digesting enzyme, enzyme activity, digestive enzyme