IB Diploma Biology HL, topic C1
Molecules (Interaction and interdependence)
How molecules interact to drive life. Enzymes catalyse and control the network of metabolism, cell respiration transfers energy from carbon compounds to ATP, and photosynthesis transforms light energy into chemical energy in carbon compounds. HL adds enzyme inhibition, the detailed pathways of respiration and the light-dependent and light-independent reactions.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each.
- 1Enzymes and metabolism Spec C1.1IB Biology C1.1: enzymes as catalysts, metabolism, active sites and induced fit, factors affecting rate, activation energy and HL enzyme inhibition.NotesQuestions 8Flashcards 20
- 2Cell respiration Spec C1.2IB Biology C1.2: ATP, aerobic and anaerobic respiration, measuring respiration rate, and HL glycolysis, Krebs cycle, electron transport and chemiosmosis.NotesQuestions 8Flashcards 20
- 3Photosynthesis Spec C1.3IB Biology C1.3: energy transformation, pigments, chromatography, spectra, limiting factors, CO₂ enrichment, HL light reactions and the Calvin cycle.NotesQuestions 8Flashcards 22
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.