Dna is shaped like a twisted ladder.what occurs at each rung in the ladder

asked Mar 2, 2016 81.9k views

2 votes

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4 votes

Not trying to be rude, but im not sure this should be in the social studies catagory

Olavi Sau answered Mar 3, 2016

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3 votes

Its called a double helix and nucleotides i believe are in each chain

Jonatjano answered Mar 9, 2016

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