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What is the substrate?

The substance an enzyme reacts with.


What is a product?

A product is formed when enzyme reacts with substrate.


What is the active site?

The region of an enzyme that binds with the substrate


How does an enzyme work?

-Substrate binds to active site, forming an enzyme- substrate complex.
-enzyme slightly alters the shape of its active site in order to fit the substrate -> induced fit theory
- product is then released from active site/ active site now available again to repeat process


What is an enzyme?

Enzymes are proteins made in living cells, which can speed up and control chemical reactions without themselves being changed. - biological catalysts.