What are eukaryotes? Cell biology
Eukaryotes (seen through a microscope) are full of chloroplasts When did eukaryotes evolve? Around two billion years ago, when all cells still lived in the ocean, a few of the [...]
28
05, 2017
28
05, 2017
What is an enzyme? Cell biology
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 [...]
28
05, 2017
Cell digestion – Parts of a cell – Cell Biology
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 [...]
