Studies with bacteria proved that DNA is genetic material

6. start with an organism thatÕs not too complicated 7. easy to watch development as it happens 8. lots of others using that model also so tools are developed 9. inexpensive to maintain Model Organism Traits Escherichia coli (E. coli, bacteria, ÒbugsÓ) Basic characteristics: rod shaped (2µm X 1µm; ~500 times smaller than an animal cell ................
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