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IB Diploma
Biology
Biology: IB Diploma
Extended Response - Mitosis

Extended Response - Mitosis

Biology: IB Diploma Higher Level, topic 2.4.6

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Previous topic2.4.5 IB Multiple Choice - The Cell Cycle Next topic2.5.1 DNA & RNA

Biology: IB Diploma Higher Level contents

1 Unity & Diversity - Molecules
- 1.1 Water
  1.1.1 The Importance of Water
  1.1.2 The Structure of Water
  1.1.3 The Properties of Water
  1.1.4 IB Multiple Choice - Water & Hydrogen Bonding
  1.1.5 Extended Response - Water
- 1.2 DNA Structure & Replication
  1.2.1 DNA
  1.2.2 RNA
  1.2.3 Semi-Conservative DNA Replication
  1.2.4 DNA Replication
  1.2.5 DNA Replication - Summary
  1.2.6 IB Multiple Choice - DNA Replication
- 1.3 Transcription & Gene Expression
  1.3.1 Introduction to Transcription & Protein Synthesis
  1.3.2 Types of RNA
  1.3.3 Transcription
  1.3.4 RNA Processing in Eukaryotes
  1.3.5 IB Multiple Choice - Transcription
- 1.4 Translation
  1.4.1 Translation
  1.4.2 Retroviruses
  1.4.3 Scientific Practices: Coronavirus
  1.4.4 IB Multiple Choice - Translation
2 Unity & Diversity - Cells
- 2.1 The Origin of Cells
  2.1.1 Origins - Endosymbiosis
- 2.2 Introduction to Cells
  2.2.1 Introduction to Cells
  2.2.2 Cell Size & Surface Area
  2.2.3 Surface Area to Volume Ratio
  2.2.4 Eukaryotic vs Prokaryotic Cells
  2.2.5 Stem Cells
  2.2.6 Stem Cells in Disease
- 2.3 Ultrastructure of Cells
  2.3.1 Golgi, Lysosomes & Ribosomes
  2.3.2 Cell Walls & Vacuole
  2.3.3 Prokaryotes
  2.3.4 Binary Fission
- 2.4 Cell Division
  2.4.1 The Cell Cycle
  2.4.2 Mitosis
  2.4.3 Regulation of the Cell Cycle
  2.4.4 End of Topic Quiz - The Cell Cycle
  2.4.5 IB Multiple Choice - The Cell Cycle
  2.4.6 Extended Response - Mitosis
- 2.5 Structure of DNA & RNA
  2.5.1 DNA & RNA
- 2.6 DNA Replication, Transcription & Translation
  2.6.1 Protein Synthesis
  2.6.2 Transcription & Translation
  2.6.3 End of Topic Test - DNA, Genes & Protein Synthesis
  2.6.4 Exam-Style Question - Protein Synthesis
  2.6.5 End of Topic Test - Coronavirus Translation
  2.6.6 IB Multiple Choice - Transcription
  2.6.7 IB Multiple Choice - Translation
- 2.7 Cell Respiration
  2.7.1 Overview of Respiration
  2.7.2 Anaerobic Respiration
  2.7.3 End of Topic Test - Anaerobic Respiration
  2.7.4 Respiration Experiments
  2.7.5 End of Topic Test - Respiration
  2.7.6 IB Multiple Choice - Respiration
- 2.8 Photosynthesis
  2.8.1 Overview of Photosynthesis
- 2.9 Viruses
  2.9.1 Viruses
3 Unity & Diversity - Organisms
4 Unity & Diversity - Ecosystems
- 4.1 Classification
  4.1.1 Introduction to Biodiversity
  4.1.2 Keystone Species
  4.1.3 Courtship & Ancestry
  4.1.4 Classification
- 4.2 Cladistics
  4.2.1 Evolutionary Relationships
  4.2.2 IB Multiple Choice - Species & Taxonomy
- 4.3 Evolution & Speciation
  4.3.1 Evidence for Evolution - Fossils & DNA
  4.3.2 Evidence for Evolution - Anatomy & Geography
  4.3.3 IB Multiple Choice - Evidence for Evolution
  4.3.4 Extended Response - DNA & Evolution
  4.3.5 Populations
  4.3.6 Mutations, Genetic Drift, & Gene Flow
  4.3.7 Speciation
  4.3.8 Rate of Speciation
  4.3.9 Allopatric & Sympatric Speciation
- 4.4 Conservation of Biodiversity
  4.4.1 Coming Soon!
5 Form & Function - Molecules
- 5.1 Carbohydrates & Lipids
  5.1.1 Monosaccharides
  5.1.2 Disaccharides & Polysaccharides
  5.1.3 Triglycerides & Phospholipids
  5.1.4 Cellulose
  5.1.5 Starch & Glycogen
- 5.2 Proteins
  5.2.1 Structure & Functions of Proteins
6 Form & Function - Cells
- 6.1 Membranes & Membrane Transport
  6.1.1 Passive Movement Across Membranes
  6.1.2 Active Movement Across Membranes
  6.1.3 Endocytosis & Exocystosis
  6.1.4 Cell Membrane Structure & Permeability
- 6.2 Organelles & Compartmentalization
  6.2.1 Eukaryotic Cells & Organelles
  6.2.2 Subcellular Components & Organelles
- 6.3 Cell Specialization
  6.3.1 Cell Specialization
7 Form & Function - Organisms
- 7.1 Gas Exchange
  7.1.1 Lung Structure & Alveoli
  7.1.2 Ventilation
  7.1.3 Lung Disease
  7.1.4 Lung Disease Data
- 7.2 Transport
  7.2.1 The Circulatory System
  7.2.2 The Heart
  7.2.3 Blood Vessels
  7.2.4 Cardiovascular Disease
  7.2.5 Xylem Structure
  7.2.6 Cohesion-Tension Theory
  7.2.7 Investigating Transpiration Rate
  7.2.8 Phloem Structure
  7.2.9 Translocation
- 7.3 Muscle & Motility
  7.3.1 Skeletal Muscle
  7.3.2 Sliding Filament Theory
  7.3.3 Contraction
8 Form & Function - Ecosystems
- 8.1 Species, Communities & Ecosytems
  8.1.1 Population Dynamics
  8.1.2 Communities & Measuring Diversity
  8.1.3 Relationships Between Populations
  8.1.4 Overview of Ecosystems
  8.1.5 Nutrient Cycles
  8.1.6 Fertilisers
  8.1.7 Eutrophication
  8.1.8 Chi-Squared Test
- 8.2 Energy Flow
  8.2.1 Energy
  8.2.2 Energy Flow
  8.2.3 Biomass & Food Chains
  8.2.4 Heterotrophs & Autotrophs
- 8.3 Carbon Cycle
  8.3.1 Carbon Cycle
- 8.4 Climate Change
  8.4.1 Carbon Dioxide
  8.4.2 The Greenhouse Effect
  8.4.3 Global Warming
  8.4.4 Maintaining Biodiversity
9 Interaction & Interdependence - Molecules
- 9.1 Enzymes
  9.1.1 Enzymes
  9.1.2 Factors Affecting Enzyme Activity
  9.1.3 Enzyme-Controlled Reactions
  9.1.4 End of Topic Test - Enzymes
- 9.2 Metabolism
  9.2.1 Molecules to Metabolism
- 9.3 Cell Respiration
  9.3.1 Glycolysis
  9.3.2 Aerobic Respiration
- 9.4 Photosynthesis
  9.4.1 Light-Dependent Reaction
  9.4.2 Light-Independent Reaction
  9.4.3 End of Topic Test - Photosynthesis Reactions
  9.4.4 Limiting Factors
  9.4.5 Photosynthesis Experiments
  9.4.6 End of Topic Test - Photosynthesis
  9.4.7 End of Topic Test - Photosynthesis
10 Interaction & Interdependence - Cells
- 10.1 Chemical Signalling
  10.1.1 Coming Soon!
- 10.2 Neural Signalling
  10.2.1 Medical Application
  10.2.2 Speed of Transmission
  10.2.3 Synapses
  10.2.4 End of Topic Test - Nervous Comm&Coord
  10.2.5 Neuron Structure
  10.2.6 Types of Synapse
  10.2.7 End of Topic Test - Neurones & Action Potentials
  10.2.8 Transmission of an Impulse
  10.2.9 End of Topic Test - Synapses
- 10.3 Adaptation to Environment
  10.3.1 Coming Soon!
- 10.4 Ecological Niches
  10.4.1 Coming Soon!
11 Interaction & Interdependence - Organisms
- 11.1 Integration of Body Systems
  11.1.1 Plant Tropisms
- 11.2 Defence Against Disease
  11.2.1 Immune System
  11.2.2 The Immune Response
  11.2.3 Antibodies
  11.2.4 Primary & Secondary Response
  11.2.5 Vaccines
  11.2.6 HIV
  11.2.7 End of Topic Test - Immune System
12 Interaction & Interdependence - Ecosystems
- 12.1 Populations & Communities
  12.1.1 Coming Soon!
- 12.2 Transfers of Energy & Matter
  12.2.1 Coming Soon!
13 Continuity & Change - Molecules
- 13.1 DNA Replication
  13.1.1 DNA Replication
- 13.2 Protein Synthesis
  13.2.1 Protein Synthesis
  13.2.2 Transcription & Translation
  13.2.3 End of Topic Test - DNA, Genes & Protein Synthesis
- 13.3 Mutation & Gene Editing
  13.3.1 Genes
  13.3.2 Mutations
  13.3.3 DNA Technology
  13.3.4 PCR & Gel Electrophoresis
  13.3.5 Genetic Modification
  13.3.6 Cloning
14 Continuity & Change - Cells
- 14.1 Gene Expression
  14.1.1 Introduction to Transcription & Protein Synthesis
  14.1.2 Types of RNA
  14.1.3 Transcription
  14.1.4 RNA Processing in Eukaryotes
  14.1.5 IB Multiple Choice - Transcription
- 14.2 Water Potential
  14.2.1 Controlling Blood Water Potential
15 Continuity & Change - Organisms
- 15.1 Inheritance
  15.1.1 Non-Nuclear Inheritance
  15.1.2 Linked Genes
  15.1.3 IB Multiple Choice - Non-Mendelian Genetics
  15.1.4 Extended Response - Inheritance
  15.1.5 Introduction to Non-Mendelian Inheritance
  15.1.6 Chi-Squared Test
  15.1.7 End of Topic Quiz - Inheritance
  15.1.8 Sex-Linked Genes
  15.1.9 Grade 4-5 (Scientific Practices) - Inheritance
- 15.2 Homeostasis
  15.2.1 Overview of Homeostasis
  15.2.2 Blood Glucose Concentration
  15.2.3 Controlling Blood Glucose Concentration
  15.2.4 End of Topic Test - Blood Glucose
  15.2.5 Type I & Type II Diabetes
  15.2.6 Human Reproductive Systems
  15.2.7 Hormonal Control of the Menstrual Cycle
  15.2.8 Kidneys & Osmoregulation
16 Continuity & Change - Ecosystems
- 16.1 Natural Selection
  16.1.1 Natural Selection
- 16.2 Stability & Change
  16.2.1 Coming Soon!
- 16.3 Climate Change
  16.3.1 Carbon Dioxide
  16.3.2 The Greenhouse Effect
  16.3.3 Global Warming
  16.3.4 Maintaining Biodiversity

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