A2.2 - Cell Structure

Topic B3.2, transport, takes a look at the different circulatory systems and transport processes in animals and plants.

8 Mai 202524min

This episode looks into topic B3.1, gas exchange to understand the adaptations of gas exchange surfaces and the different processes surrounding gas exchange in animals and plants.

8 Mai 202519min

This episode takes a quick look at topic D2.3, water potential. We look into osmosis and its effects on cells as well as water potential and how it impacts the movement of water across a selectively p...

7 Mai 20258min

Topic D2.2, gene expression, is an only HL topic that looks into epigenetics and gene expression as a whole. We take a look at different mechanism and examples to understand the relevance of gene expr...

4 Mai 202510min

This episode looks at topic D2.1, cell and nuclear division. We discuss the differences between mitosis and meiosis as well as the phases of the two different cell division types and their importance.

3 Mai 202529min

Topic C2.2, neural signalling, looks at the structure and function of neurons and at the process of neural signalling. We take a look at different examples, such as acetylcholine and cocaine, to under...

25 Apr 202519min

In this episode we take a look at topic C2.1 which is chemical signalling. This is only in the HL syllabus and looks at ligands as signalling molecules and receptors are proteins that they bind to. We...

24 Apr 202527min

This episode looks into topic B2.3, cell specialisation. We take a look at the stem cells and their potency and then at the many adaptations of different cells to perform their specific functions.

18 Apr 202519min