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12 January, 12:53

What are the 4 bases that make up the rungs of the DNA ladder

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  1. 12 January, 13:04
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    The four bases that make up the rungs of the DNA ladder are adenine, thymine, cytosine and guanine. They are often represented as A, T, C and G, respectively. When two strands of DNA form a double-strand helix, the bases pair up in the middle of the molecule. Hope this answers the question.
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