a Describe one early idea about heredity that was shown to be false by Frederick...
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a Describe one early idea about heredity that was shown to be false by Frederick Griffith s research with pneumococci bacteria 1 point b Griffith studied two strains of bacteria the S strain and the R strain Mice injected with the S strain died while mice injected with the R strain did not become ill When he used heat to kill S cells and then injected the dead cells into the mice the mice did not die However when he mixed the heat treated S cells with living R cells the mice got sick and died What was Griffith s conclusion What was the significance of his findings 2 points c Oswald Avery heat treated S cells and then split them into proteins DNA and RNA He then repeated Griffith s experiment by mixing each part of the heat treated S cells with living R cells He found living S cells in the samples containing destroyed proteins and destroyed RNA but he did not find living S cells in the samples containing destroyed DNA What idea did his findings support 1 point d How did Avery s contributions to the understanding of heredity depend on
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