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He injected a mouse with smooth strain and the mouse died, then injected rough strain and it lives. But he heats up both smooth and rough which kills the mouse
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These men identified the transforming princile which is responsible for for characteristics in bacteria. They killed proteins, lipids, and carbohydrates. Found that a breakdown of RNA had a tranformation but DNA didn't/
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He said that the nucleotide of DNA varies among organisms. Also said that regardless of the DNA they all carry certain properties. Like adenine=thymine and guanine=cytosine.
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She was one of the first to suggest the helical build of DNA. Saying that it had an X shape to it.
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They both said that DNA had phages with Phosphorus-32. So they took E.coli and blened them to seperate the cells and viral coats.
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They both propsed the theory that DNA had a double helix to it. And that it was held by four bases.
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They said that from the double helix each strand makes two new strands. This was proved by placing bacteria in a enviroment the contained a Nitrogen isotope.
