What is an enzyme?
Q: What is an enzyme?
A: An enzyme is a protein molecule in cells which works as a biological catalyst.
Q: What is the function of enzymes in the body?
A: Enzymes speed up chemical reactions in the body, but do not get used up in the process, so they can be used over and over again.
Q: Do all biochemical reactions in living things need enzymes?
A: Yes, almost all biochemical reactions in living things need enzymes.
Q: What are substrates?
A: Substrates are the substances at the start of a reaction.
Q: What are products?
A: Products are the substances at the end of a reaction.
Q: What is the study of enzymes called?
A: The study of enzymes is called enzymology.
Q: Who discovered the first enzyme?
A: The first enzyme was found in 1833 by Anselme Payen.
