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Ch 20 C1.1 Enzymes and metabolism: complete notes
Neat, exam-ready notebook-style notes for Ch 20 C1.1 Enzymes and metabolism, following the IB Diploma syllabus, SL and HL. This chapter is part of the complete Biology Notes for IB Diploma Students (SL and HL): All 40 Topics.
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Free preview: Ch 20 C1.1 Enzymes and metabolism notes
A quick look at the chapter from our IB Diploma Biology notes. The full chapter notes have the detailed explanations, diagrams and practice questions with answers.
Topics in this chapter
- What you must be able to do
- Molecular motion and collisions
- Structure, specificity and denaturation
- Good experimental design
- Intracellular and extracellular enzymes
- Heat from metabolism
- Linear and cyclical pathways
“I can” checklist: what you must be able to do
- I can define metabolism and distinguish anabolic from catabolic reactions with examples.
- I can explain induced fit, specificity and denaturation using protein structure.
- I can explain and sketch the effects of temperature, pH and [S] and calculate rates.
- I can interpret an energy-profile graph with and without an enzyme.
- I can compare competitive, non-competitive, feedback and mechanism-based inhibition.
What is inside the full chapter notes
- Concept notes with 8 worked examples
- Graph skills: rate, % change, energy profiles
- Common mistakes; investigation (IA) ideas
- 15 Paper 1A-style MCQs, explained
- 3 structured questions with mark schemes (one is Paper 1B data-based)
- Quick-reference sheet and "I can" checklist
What you get in the pack
- All 40 topics of IB Diploma Biology for students taking Standard Level or Higher Level (first assessment 2025): water, nucleic acids, the origin of cells, cell structure, viruses, diversity and classification, evolution and speciation, conservation, carbohydrates, lipids and proteins, membranes, organelles, cell specialization, gas exchange, transport, muscle and motility, adaptation and niches, enzymes and metabolism, cell respiration, photosynthesis, chemical and neural signalling, integration of body systems, defence against disease, populations and communities, transfers of energy and matter, DNA replication, protein synthesis, mutation and gene editing, cell division, gene expression, water potential, reproduction, inheritance, homeostasis, natural selection, stability and change, climate change
- Every syllabus statement covered in order, each marked SL or HL, with clear notes, tables and diagrams drawn for these notes
- Worked examples in every topic: calculations and model answers that show how to earn the marks
- Original Paper 1A-style multiple-choice questions with explained answers, plus Paper 2-style structured and data-based questions with full mark schemes (no past-paper reprints)
- Common mistakes and investigation (internal assessment) ideas for every topic
- Quick-reference sheet and an "I can" checklist at the end of every topic
- Colour PDF and a black and white copy of every chapter for printing
- Independent notes for IB Diploma students; not endorsed by or affiliated with the International Baccalaureate Organization (IBO)
All chapters in this pack
- Ch 1 A1.1 Water
- Ch 2 A1.2 Nucleic acids
- Ch 3 A2.1 Origins of cells
- Ch 4 A2.2 Cell structure
- Ch 5 A2.3 Viruses
- Ch 6 A3.1 Diversity of organisms
- Ch 7 A3.2 Classification and cladistics
- Ch 8 A4.1 Evolution and speciation
- Ch 9 A4.2 Conservation of biodiversity
- Ch 10 B1.1 Carbohydrates and lipids
- Ch 11 B1.2 Proteins
- Ch 12 B2.1 Membranes and membrane transport
- Ch 13 B2.2 Organelles and compartmentalization
- Ch 14 B2.3 Cell specialization
- Ch 15 B3.1 Gas exchange
- Ch 16 B3.2 Transport
- Ch 17 B3.3 Muscle and motility
- Ch 18 B4.1 Adaptation to environment
- Ch 19 B4.2 Ecological niches
- Ch 20 C1.1 Enzymes and metabolism
- Ch 21 C1.2 Cell respiration
- Ch 22 C1.3 Photosynthesis
- Ch 23 C2.1 Chemical signalling
- Ch 24 C2.2 Neural signalling
- Ch 25 C3.1 Integration of body systems
- Ch 26 C3.2 Defence against disease
- Ch 27 C4.1 Populations and communities
- Ch 28 C4.2 Transfers of energy and matter
- Ch 29 D1.1 DNA replication
- Ch 30 D1.2 Protein synthesis
- Ch 31 D1.3 Mutation and gene editing
- Ch 32 D2.1 Cell and nuclear division
- Ch 33 D2.2 Gene expression
- Ch 34 D2.3 Water potential
- Ch 35 D3.1 Reproduction
- Ch 36 D3.2 Inheritance
- Ch 37 D3.3 Homeostasis
- Ch 38 D4.1 Natural selection
- Ch 39 D4.2 Stability and change
- Ch 40 D4.3 Climate change