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Topic 1
>
1.1
1.2
1.3
1.4
1.5
1.6
Topic 2
>
2.1
2.2
2.3/2.4
2.5
2.6
2.7a
2.7b
2.8
2.9
Topic 3
>
3.1
3.2
3.3
3.4
3.5
Topic 4
>
4.1/4.2
4.3/4.4
Topic 5
>
5.1
5.2
5.3
5.4
Topic 6
>
6.1
6.2
6.3
6.4
6.5
6.6a
6.6b
Topic 7
>
7.1
7.2
7.3
Topic 8
>
8.1
8.2
8.3
Topic 9
>
9.1
9.2
9.3
9.4
Topic 10
>
10.1
10.2
10.3
Topic 11
>
11.1
11.2
11.3
11.4
Option A
Option C
Internal Assessment
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Grading
Guide
Statistics
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ESS
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Biology topic links
UNIT
TOPIC
TITLE
Topic 1:
Cell biology
1.1
Introduction to cells
1.2
Ultrastructure of cells
1.3
Membrane structure
1.4
Membrane transport
1.5
The origin of cells
1.6
Cell division
Topic 2:
Molecular biology
2.1
Molecules to metabolism
2.2
Water
2.3
Carbohydrates and lipids
2.4
Proteins
2.5
Enzymes
2.6
Structure of DNA and RNA
2.7a
DNA replication
2.7b
Transcription and translation
2.8
Cell respiration
2.9
Photosynthesis
Topic 3:
Genetics
3.1
Genes
3.2
Chromosomes
3.3
Meiosis
3.4
Inheritance
3.5
Genetic modification and biotechnology
Topic 4:
Evolution
4.1
Species, communities and ecosystems
4.2
Energy flow
4.3
Carbon cycle
4.4
Climate change
Topic 5:
Evolution and biodiversity
5.1
Evidence for evolution
5.2
Natural selection
5.3
Classification of biodiversity
5.4
Cladistics
Topic 6:
Human physiology
6.1
Digestion and absorption
6.2
The blood system
6.3
Defense against infectious diseases
6.4
Gas exchange
6.5
Neurons and synapses
6.6a
Hormones and homeostatis
6.6b
Reproduction
Topic 7:
Nucleic acids
7.1
HL - DNA structure and replication
7.2
HL - Transcription and gene expression
7.3
HL - Translation
Topic 8:
Metabolism, cell respiration
and photosynthesis
8.1
HL - Metabolism
8.2
HL - Cell respiration
8.3
HL - Photosynthesis
Topic 9:
Plant biology
9.1
HL - Transport in the xylem of plants
9.2
HL - Transport in the phloem of plants
9.3
HL - Growth in plants
9.4
HL - Reproduction in plants
Topic 10:
Genetics and evolution
10.1
HL - Meiosis
10.2
HL - Inheritance
10.3
HL - Gene pool and speciation
Topic 11:
Animal physiology
11.1
HL - Antibody production
11.2
HL - Movement
11.3
HL - The kidney and osmoregulation
11.4
HL - Sexual reproduction
Home
Biology
Topic links
Course details
Full syllabus
>
Topic 1
>
1.1
1.2
1.3
1.4
1.5
1.6
Topic 2
>
2.1
2.2
2.3/2.4
2.5
2.6
2.7a
2.7b
2.8
2.9
Topic 3
>
3.1
3.2
3.3
3.4
3.5
Topic 4
>
4.1/4.2
4.3/4.4
Topic 5
>
5.1
5.2
5.3
5.4
Topic 6
>
6.1
6.2
6.3
6.4
6.5
6.6a
6.6b
Topic 7
>
7.1
7.2
7.3
Topic 8
>
8.1
8.2
8.3
Topic 9
>
9.1
9.2
9.3
9.4
Topic 10
>
10.1
10.2
10.3
Topic 11
>
11.1
11.2
11.3
11.4
Option A
Option C
Internal Assessment
>
Grading
Guide
Statistics
Tables and Graphs
ESS
Course details
Full syllabus
IA Guide
TOK
Course details
>
Psychology discussions
TOK Presentation
TOK Essay
More
Extended Essay
Books and podcasts
Contact