Videos

Regulating Gene Expression: The Lac Operon - A Level Biology

This video goes through regulating gene expression in eukaryotes and prokaryotes at the transcriptional level, focusing on the lac operon as a prokaryotic example.

Cell Differentiation and Specialised Cells - GCSE Biology

This video goes through what cell differentiation is, the main specialised cells you need to understand for GCSE Biology and why the cells look the way they do.

How to Label an Animal, Plant and Bacteria cell - GCSE Biology

This video goes through how to label the main structures in an animal, plant and bacteria cell. The difference between a eukaryotic and prokaryotic cell is also discussed.

Cell Division (Mitosis and Meiosis) - GCSE Biology

This video goes through the stages of mitosis and meiosis so you can understand the difference between the two types of cell division.

Diffusion, Osmosis and Active Transport - GCSE Biology

This video goes through how particles can move due to diffusion, osmosis and active transport.