Enzymes 0.0 / 5 ? BiologyCellular processesASEdexcel Created by: Libby wrayCreated on: 12-10-17 18:12 The tertiary structure makes enzymes ... specific 1 of 15 What do enzymes act as? Biological catalysts 2 of 15 What does the substrate bind to? Active site 3 of 15 What do enzymes catalyse? metabolic reactions 4 of 15 Amount of energy needed for a reaction to occur Activation energy 5 of 15 The substrate fits in the enzyme's active site to form this enzyme-substrate complex 6 of 15 Original model lock and key 7 of 15 Improved theory Induced fit 8 of 15 Produced and secreted by cells to catalyse reactions outside cells Extracellular 9 of 15 Enzymes are ... proteins 10 of 15 Enzymes that catalyse reactions inside cells Intracellular 11 of 15 The active site's shape is determined by the enzyme's tertiary structure 12 of 15 The tertiary structure of enzymes may be altered by increased ph 13 of 15 The tertiary structure of enzymes may be altered by changes in temperature 14 of 15 conditions change the shape of the enzyme and it becomes... denatured 15 of 15
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