Enzymes 0.0 / 5 ? BiologyEnzymes and digestionGCSEOCR Created by: mollsamosCreated on: 15-01-20 08:57 What is a catalyst ? A substance which increases the spead of a reaction. 1 of 6 If you raise the temperature what happens in a reaction ? Speed up the reaction. 2 of 6 What do enzymes do ? Reduce the need for high temperatures. 3 of 6 What is the substrate ? The molecule changes in the reaction. 4 of 6 What does every enzyme have ? Active site. 5 of 6 What happens if the shape doesnt match the active site ? Wont be catalysed. 6 of 6
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