Life+Changes.+Variation.+The+Cell

{$page} include component="page" wikiName="wikids" page="_menuoptions" < Prev + More > Next include component="page" wikiName="wikids" page="_close" Cells are a bit like tiny factories. They take in materials, and they send out other materials.

Cells are made of chemicals. The most important chemicals are __proteins__, __RNA__ and __DNA__.

There are many different sorts of proteins. Cells are made with proteins. Proteins, RNA and DNA are also a bit like the machines in the factory. They do all sorts of jobs.

You can find out more about proteins, RNA and DNA in the following pages.