which term describes an enzyme?\no substrate\no reactant\no catalyst\no product

which term describes an enzyme?\no substrate\no reactant\no catalyst\no product
Answer
Brief Explanations:
Enzymes are biological catalysts that speed - up chemical reactions in living organisms without being consumed in the reaction. A substrate is the molecule an enzyme acts on, a reactant is a starting substance in a chemical reaction, and a product is the result of a reaction.
Answer:
catalyst