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IB Biology Topic C1.1 Enzymes and Metabolism (SL/HL) covers syllabus content as part of Topic C1: Molecules under Theme C: Interaction and Interdependence. Use these Notes, Questionbank, Videos, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
C1.1.1 Enzymes as catalysts
C1.1.2 Role of enzymes in metabolism
C1.1.3 Anabolic and catabolic reactions
C1.1.4 Enzymes as globular proteins with an active site for catalysis
C1.1.5 Interactions between substrate and active site to allow induced-fit binding
C1.1.6 Role of molecular motion and substrate-active site collisions in enzyme catalysis
C1.1.7 The structure of the active site, enzyme–substrate specificity and denaturation
C1.1.8 Effects of temperature, pH and substrate concentration on the rate of enzyme activity
C1.1.9 Measurements in enzyme-catalysed reactions
C1.1.10 Effect of enzymes on activation energy
C1.1.11 Intracellular and extracellular enzyme-catalysed reactions (HL)
C1.1.12 Generation of heat energy by the reactions of metabolism (HL)
C1.1.13 Cyclical and linear pathways in metabolism (HL)
C1.1.14 Allosteric sites and non-competitive inhibition (HL)
C1.1.15 Competitive inhibition (HL)
C1.1.16 Regulation of metabolic pathways by feedback inhibition (HL)
C1.1.17 Mechanism-based inhibition (HL)
