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Week 7, Lecture 1, Proteins and Protein Structure

Week 7, Lecture 1, Proteins and Protein Structure - FROM...

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1 You are responsible for Section F-27 and F-28 Proteins and Protein Structure 17-Oct-09 Gardiner 1 B I O L O G Y FROM GENE T 0 2 3 TO PROTEIN B I O L O G Y Genes and Proteins Archibald Garrod – 1909 – Suggested genes dictate phenotypes via enzymes 0 2 3 17-Oct-09 Gardiner 3 Beadle and Tatum - Neurospora mutants to show one gene one enzyme hypothesis 17-Oct-09 Gardiner 4 Fig. 14.2 B I O L O G Y Genes and Proteins Not all proteins are enzymes so the hypothesis became one gene one protein • However some proteins such as 0 2 3 17-Oct-09 Gardiner 6 However some proteins such as haemoglobin are made up of two kinds of polypeptides and so coded for by two genes One Gene One Polypeptide
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