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IB

IB Biology SL - 2024
Key Concepts

In the IB Biology SL (Standard Level) 2024 Key Concepts section, you will find summary videos that will help you review the most important concepts and skills necessary for success. They are ideal for a quick refresher before tackling questions in the Revision Village Questionbank or Practice Exams sections of the website.

You can now access audio versions of Key Concepts on the Revision Village Podcast

Topic 1

Cell Biology

Topic 1

Cell Biology
Cell Structure and Function video thumbnail

Cell Structure and Function

11 mins

Mitosis, Cytokinesis & The Cell Cycle video thumbnail

Mitosis, Cytokinesis & The Cell Cycle

18 mins

Cell Specialisation video thumbnail

Cell Specialisation

15 mins

Cell Cycle - Mutagens & Cancer  video thumbnail

Cell Cycle - Mutagens & Cancer

9 mins


Topic 1

Cell Biology

Cell Structure and Function video thumbnail

Cell Structure and Function

11 mins

Mitosis, Cytokinesis & The Cell Cycle video thumbnail

Mitosis, Cytokinesis & The Cell Cycle

18 mins

Cell Specialisation video thumbnail

Cell Specialisation

15 mins

Cell Cycle - Mutagens & Cancer  video thumbnail

Cell Cycle - Mutagens & Cancer

9 mins

Topic 2

Molecular Biology

Topic 2

Molecular Biology
Protein Synthesis video thumbnail

Protein Synthesis

9 mins

Carbohydrates and Lipids video thumbnail

Carbohydrates and Lipids

12 mins

Structure and Function of Proteins video thumbnail

Structure and Function of Proteins

18 mins

Enzymes video thumbnail

Enzymes

11 mins

DNA Replication video thumbnail

DNA Replication

9 mins


Topic 2

Molecular Biology

Protein Synthesis video thumbnail

Protein Synthesis

9 mins

Carbohydrates and Lipids video thumbnail

Carbohydrates and Lipids

12 mins

Structure and Function of Proteins video thumbnail

Structure and Function of Proteins

18 mins

Enzymes video thumbnail

Enzymes

11 mins

DNA Replication video thumbnail

DNA Replication

9 mins

Topic 3

Genetics

Topic 3

Genetics
Codons, Degeneracy, and Sickle Cell video thumbnail

Codons, Degeneracy, and Sickle Cell

10 mins

Inheritance video thumbnail

Inheritance

16 mins


Topic 3

Genetics

Codons, Degeneracy, and Sickle Cell video thumbnail

Codons, Degeneracy, and Sickle Cell

10 mins

Inheritance video thumbnail

Inheritance

16 mins

Topic 4

Ecology

Topic 4

Ecology
Energy in Ecosystems video thumbnail

Energy in Ecosystems

8 mins

Carbon Cycle video thumbnail

Carbon Cycle

11 mins


Topic 4

Ecology

Energy in Ecosystems video thumbnail

Energy in Ecosystems

8 mins

Carbon Cycle video thumbnail

Carbon Cycle

11 mins

Topic 5

Evolution & Biodiversity

Topic 5

Evolution & Biodiversity
Evolution and Speciation video thumbnail

Evolution and Speciation

14 mins


Topic 5

Evolution & Biodiversity

Evolution and Speciation video thumbnail

Evolution and Speciation

14 mins

Topic 6

Human Physiology

Topic 6

Human Physiology
Homeostasis, Hormones and the Menstrual Cycle video thumbnail

Homeostasis, Hormones and the Menstrual Cycle

12 mins

The Nervous System 1 video thumbnail

The Nervous System 1

10 mins

The Nervous System 2 video thumbnail

The Nervous System 2

7 mins

The Respiratory System video thumbnail

The Respiratory System

10 mins

The Cardiovascular System video thumbnail

The Cardiovascular System

22 mins


Topic 6

Human Physiology

Homeostasis, Hormones and the Menstrual Cycle video thumbnail

Homeostasis, Hormones and the Menstrual Cycle

12 mins

The Nervous System 1 video thumbnail

The Nervous System 1

10 mins

The Nervous System 2 video thumbnail

The Nervous System 2

7 mins

The Respiratory System video thumbnail

The Respiratory System

10 mins

The Cardiovascular System video thumbnail

The Cardiovascular System

22 mins

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