Action of enzymes 0.0 / 5 ? BiologyEnzymesASOCR Created by: JemmaVenessCreated on: 19-05-16 15:06 What are enzymes? Biological Catalysts 1 of 6 What can they do in the body? Speed up chemical reactions by acting as biological catalysts 2 of 6 What are the two types of enzymes? Intracellular, Extracellular enzymes 3 of 6 Describe enzymes Globular proteins, Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction 4 of 6 Explain the lock and key model The substrate fits into the enzyme like how a key fits into a lock 5 of 6 Explain the 'induced fit' model As the substrate binds, the active site changed shape slightly to fit the substrate more closely. 6 of 6
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