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19-09-2017
Biology

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The rungs or steps of DNA are made up of __ which are attached to the sides or railings of DNA, which are made up of _.

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emmakatecumbo emmakatecumbo

19-09-2017

rungs are made up of nitrogenous bases

railings are made up of deoxyribose and phosphate

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ajm36853 ajm36853

19-09-2017

Answer 1- Deoxyribose sugars. answer 2- Phosphate groups.

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