Enzymes 0.0 / 5 ? BiologyEnzymes and digestionGCSEEdexcel Created by: manpreetgarchaCreated on: 15-05-15 15:32 What are Enzymes often called? Biological Catalysts 1 of 8 What is a Biological Catalyst? A catalyst is a chemical that speeds up a reaction but is not used up in the process 2 of 8 What are Enzymes? Enzymes are proteins that speed up chemical reactions in living things. 3 of 8 What are metabolic reactions? Chemical reactions that occur in the body. 4 of 8 Can Enzymes be used more than once? Yes, Enzyme molecules can be used over and over again. 5 of 8 Are Enzymes specific? Yes, each one can only catalyse a particular reaction. 6 of 8 Do all Enzymes speed up chemical reactions? Some Enzymes help digest food in your gut. 7 of 8 What shape does the active site of an Enzyme have? A Complementary shape. 8 of 8
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