External Links
Membrane transport, cell nutrition and cell reproduction in an easy-to-understand language.
Animation showing the basics behind the diffusion of chemicals in solutions.
Osmosis is a special type of diffusion which involves movement of water molecules only. Learn about it through this animation.
Advanced video on osmosis, explaining everything you ever wanted to know about it. You may need to switch to full screen mode to prevent overstretching.
How facilitated difussion works.
Learn about passive transport through an animation that shows how membrane proteins can help specific chemicals to cross by without consuming energy.
How the sodium-potassium pump works.
Learn about the sodium-potassium pump, the main active transport mechanism.
Animation showing how enzymes catalyse biochemical reactions.
Animation showing how lysosmes are produced and work breaking down big molecular structures for a later use in the cellular metabolism.
Watch this animation to learn the basics of the cell cycle.
A good and comprehensive explanation of the different stages of the cell cycle.
Animation showing a detailed view of the cell cycle, including the various steps of cell division.
Step by step animation of mitosis and cytokinesis.
Comparison of mitosis and meiosis.
Animation showing clearly the different pathways and outcomes of meiosis and mitosis.