These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on C1.1 Enzymes and metabolism and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
Biology C1.1.1
C1.1.1 Enzymes as catalysts
Biology C1.1.2
C1.1.2 Role of enzymes in metabolism
Biology C1.1.3
C1.1.3 Anabolic and catabolic reactions
Biology C1.1.4
C1.1.4 Enzymes as globular proteins with an active site for catalysis
Biology C1.1.5
C1.1.5 Interactions between substrate and active site to allow induced-fit binding
Biology C1.1.6
C1.1.6 Role of molecular motion and substrate-active site collisions in enzyme catalysis
Biology C1.1.7
C1.1.7 The structure of the active site, enzyme–substrate specificity and denaturation
Biology C1.1.8
C1.1.8 Effects of temperature, pH and substrate concentration on the rate of enzyme activity
Biology C1.1.9
C1.1.9 Measurements in enzyme-catalysed reactions
Biology C1.1.10
C1.1.10 Effect of enzymes on activation energy
Biology C1.1.11
C1.1.11 Intracellular and extracellular enzyme-catalysed reactions (HL)
Biology C1.1.12
C1.1.12 Generation of heat energy by the reactions of metabolism (HL)
Biology C1.1.13
C1.1.13 Cyclical and linear pathways in metabolism (HL)
Biology C1.1.14
C1.1.14 Allosteric sites and non-competitive inhibition (HL)
Biology C1.1.15
C1.1.15 Competitive inhibition (HL)
Biology C1.1.16
C1.1.16 Regulation of metabolic pathways by feedback inhibition (HL)
Biology C1.1.17
C1.1.17 Mechanism-based inhibition (HL)