'Agarose gel dna' presentation slideshows

Structure of the 4 bases found in DNA

Structure of the 4 bases found in DNA. Base + sugar is called a nucleoside Base + sugar + phosphate is called a nucleotide. Structure of A-T and G-C base pairs. Hydrogen-bonds are shown as dotted red lines. A-T base pairs have 2 and G-C base pairs have 3 H-bonds. H-bonds

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