DNA structure can be described as a twisted ladder. Imagine you are climbing a model of DNA, just as if you were climbing a ladder. What parts of a nucleotide are your feet touching as you climb?

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    the sugars and bases
    the phosphates
    the sugars
    the sugars and phosphates
    the phosphates and bases
    the bases

asked May 30, 2013 in Biology by anonymous

1 Answer

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the bases
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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