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      <title>DNA History by SARA MITCHELL</title>
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      <language>en-us</language>
      <pubDate>2021-04-23 12:11:32 UTC</pubDate>
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         <title>Thomas Hunt Morgan (1908)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451345250</link>
         <description><![CDATA[<div>Experiment: fruit flies (tested mutations on flied)<br>Contributions: wrote  the PNAS (provided foundation for the field of genetics), discovered chromosomes where the carriers of genetics, discovered genes to be linked together</div>]]></description>
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         <pubDate>2021-04-23 12:14:14 UTC</pubDate>
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         <title>Frederick Griffith (1928)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451360770</link>
         <description><![CDATA[<div>Experiment:&nbsp;used two strains of Streptococcus (Type S and Type R) and injected the different types into rats<br>Contributions: reported first widely accepted demonstrations of bacterial transformation</div>]]></description>
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         <pubDate>2021-04-23 12:19:25 UTC</pubDate>
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         <title>Avery, McCarty, MacLeod (1944)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451383977</link>
         <description><![CDATA[<div>Experiment: took live R and heat-treated S and mixed it with 1 of 2 enzymes (proteases or DNase)<br>Contributions: determined cause of the transformation in Griffith's experiment, showed that DNA was the cause of transformation </div>]]></description>
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         <pubDate>2021-04-23 12:26:45 UTC</pubDate>
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         <title>Chargaff (1947)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451394255</link>
         <description><![CDATA[<div>Experiment: measured the amount of the 4 bases in many organisms<br>Contributions: found that the amount of Adenine and Thymine are almost the same and Cytosine and Guanine are almost the same (Chargaff's Rules)</div>]]></description>
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         <pubDate>2021-04-23 12:29:51 UTC</pubDate>
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         <title>Hershey and Chase (1952)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451402847</link>
         <description><![CDATA[<div>Experiments: used bacterial cell and exposed the cell with either a radioactive protein capsule or radioactive DNA and then they separated the bacterial cells from the supernatant<br>Contributions:&nbsp;concluded that DNA was the genetic material and the only need for the protein was packaging</div>]]></description>
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         <pubDate>2021-04-23 12:32:24 UTC</pubDate>
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         <title>Wilkins and Franklin (1952)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451419297</link>
         <description><![CDATA[<div>Experiment: photo 51<br>Contributions: Franklin found out how to look at wet DNA, Wilkins gave the image to Watson and Crick</div>]]></description>
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         <pubDate>2021-04-23 12:37:00 UTC</pubDate>
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         <title>Watson and Crick (1953)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1451435137</link>
         <description><![CDATA[<div>Experiment:&nbsp;DNA= double stranded helix with a backbone of sugar and phosphate groups<br>Contributions: used photo 51 to determine double helix</div>]]></description>
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         <pubDate>2021-04-23 12:41:17 UTC</pubDate>
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         <title>Meselson and Stahl (1958)</title>
         <author>379342</author>
         <link>https://padlet.com/379342/gvupn5qy4s986t3z/wish/1456936345</link>
         <description><![CDATA[<div>Experiment: grew E.coli in heavy nitrogen, bread E.coli until they were all heavy nitrogen, recorded the replication of all<br>Contributions: found that DNA replicates (DNA splits in half)</div>]]></description>
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         <pubDate>2021-04-25 20:12:49 UTC</pubDate>
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