Endoplasmic reticulum inside a cell What's it made of? The endoplasmic reticulum is made out of a lipid membrane, just like the cell membrane around the outside of a cell, [...]
A child blows soap bubbles You can see how the lipid membranes around the cell and around the vacuoles seal themselves off using soap bubbles. Soap bubbles are a kind [...]
Oil and water You can easily see for yourself how the amino acids formed into little spheres or bubbles. They were trying to get as far away from the water as [...]
A man who has ALS If your mitochondria are not working right, or you have too few mitochondria, you can easily see the results. Your body won't work right, especially [...]
Taken with an electron microscope at the University of Melbourne, Australia Here's an active game where you can act out what a Golgi body does. Form into groups of eight, [...]
An onion cell (seen through a microscope) You can see individual cells for yourself if you can get access to a regular light microscope, perhaps at your school, or at [...]
A strand of DNA (seen through an electron microscope) Let's start with RNA If the RNA theory of the origin of life is right, then after a short time, about [...]
Amoeba - a one-celled organism - Cell digestion How do cells get energy? All cells have to have some way to get energy from outside themselves, or they will starve [...]
A very simple cell (seen through a microscope) like the first cells RNA and lipid membranes Sometime around four billion or 3.5 billion years ago, lipid membranes and RNA or DNA [...]
