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What they look like

There are thousands of species of bacteria, yet all share some basic features. Bacteria are single-celled organisms and fall into a category of life called prokaryotesA cell without a true nucleus, such as a bacterium.. Prokaryotes do not have certain specialized structures in their cells and they do not have a cell nucleus, which humans have. A nucleusMembrane-enclosed structure within a cell that contains the cell's genetic material and controls its growth and reproduction. (Plural: nuclei.) is a cellular compartment inside cells that surrounds DNA and other organellesA membrane-enclosed structure that performs a specific function within a cell.. An organelle is an enclosed structure in a cell that performs a specific function,...

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1. Introduction
2. Wretched beasties
3. What they look like
4. Living and eating
5. Building up resistance
6. Experiment 1 - Bacterial Growth: How do certain substances inhibit or promote bacterial growth?
7. Experiment 2 - Bacterial Resistance: Can bacteria gain resistance to a substance after exposure?
8. Design Your Own Experiment