A - Unity and Diversity
B - Form and Function
C - Interaction and Interdependence
C1.1 Enzymes and metabolism
C1.2 Cell respiration
C1.3 Photosynthesis
C2.1 Chemical signalling (HL)
C2.2 Neural signalling
C3.1 Integration of body systems
C3.2 Defense against disease
C4.1 Populations and communities
C4.2 Transfer of energy and matter
D - Continuity and Change
View a summary cheatsheet for C1.1 Enzymes and metabolism
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)
