BRAINCAKEEffect of Enzyme Concentration
Enzymes are biological catalysts. This means they are not used up in the reaction and can be re-used when the reaction is complete and the products have been released from the enzyme's active site.
In this way one enzyme can catalyse millions of reactions and act on millions of substrate molecules.
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Key terms in this lesson
- active site
- The region of an enzyme, formed by the tertiary structure, with a shape complementary to its substrate, where the substrate binds.
- enzyme-substrate complex
- The temporary structure formed when a substrate binds to the active site of an enzyme.