structure of DNA 0.0 / 5 ? BiologygeneticsCellsUniversityNone Created by: rayanne vitaliCreated on: 12-10-15 15:53 In what year did Hershey & Chase confirm that DNA is genetic material 1953 1 of 17 What is Friedrich Miescher famous for? isolating Nuclein from human pus in 1868 2 of 17 In what year did Rosalind Franklin identify the double helix of DNA 1953 3 of 17 who identified the structure of DNA Watson & Crick 4 of 17 What are MacLeod & McCarty famous for ? conducting bacteria transformation experiments 5 of 17 what are the two types of Bases Pyrimadine &Purine 6 of 17 what type of base is Cytosine Pyrimadine 7 of 17 what type of base is Guanine Purine 8 of 17 what type of base is thymine pyrimadine 9 of 17 what type of base is Adenine Purine 10 of 17 What type of base is uracil? pyrimadine 11 of 17 How is uracil different to Thymine? thymine contains methyl group on 5th carbon 12 of 17 How does cytosine differ to Thymine? cytosine contains NH2 group on 4th carbon & has 2 double bonds 13 of 17 how does adenine differ to guanine? adenine contains NH2 on 6th carbon, guanine has CO group on 6th carbon 14 of 17 what bonds hold base pairs together Hydrogen bonds 15 of 17 how many hydrogen bonds in AT 2 16 of 17 how many hydrogen bonds in GC 3 17 of 17
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