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 understand how membrane potentials change to transmit nerve impulses.
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19:37
C2.1 - Chemical Signalling
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 take a look at different example of ligands and receptors that initiate a variety of different signalling pathways.
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27:47
B2.3 - Cell Specialisation
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.
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19:50
B2.2 - Organelles and Compartmentalisation
Topic B2.2, organelles and compartmentalisation is largely an HL topic that takes a look at the role of compartmentalisation and separation in eukaryotic cells. We take a look at the structures of mitochondria and chloroplasts as well as the nucleus, the Golgi apparatus and vesicles.
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16:20
B2.1 - Membranes and membrane transport
In this episode we dive into topic B2.1, membranes and membrane transport to understand the selective permeability of cell membranes and how molecules are transported into and out of cells.
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