Copper – Atoms, Elements, and Chemistry
Diagram of a copper atom What is copper? Copper is a kind of atom that has only one electron in the outermost ring. What's an electron? What are atoms? A [...]
Diagram of a copper atom What is copper? Copper is a kind of atom that has only one electron in the outermost ring. What's an electron? What are atoms? A [...]
Cell waste: A cell with a vacuole Cell waste and vacuoles Soon after eukaryote cells began to make vacuoles to help them catch their food and store it, about 600 [...]
A model of an enzyme reacting with another molecule and breaking it into two pieces. Each little ball represents an atom.This enzyme, lysozyme, breaks up bacteria in your blood to keep [...]
A loaf of bread You can easily taste how your enzymes work breaking down your food into smaller pieces. Do this experiment right after lunch, when you'll have a lot of [...]
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 [...]
What is cytoplasm? A very simple cell (seen through a microscope) What is cytoplasm? Inside all cells, from the most simple to the most complicated, there is cytoplasm. Cytoplasm is [...]