Replication (1-23-07) - BIO 325 Every nucleotide has three...

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1-23-07 BIO 325 Every nucleotide has three components Specify sugar first when naming a nucleotide (because defining diff. Between RNA and DNA); look at 3’ (OH=deoxyribose) 5’—exocyclic; 1’—base attached Watson & Crick o Knew: Chargaff’s rule: Chargaff looked at DNA of many diff. species. The quantity/ percentage of Adenine was not consistent between species, but was within. A=Thymine; G=C. This was the only thing that stuck between species. Rosalin Franklin: Franklin took crystals of DNA and shot a beam through that crystal; there was a film behind that crystal (xray defraction); took an image of the molecular structure of DNA;
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