Answers

2016-01-09T19:05:52+08:00
DNA is made up of 2 strands of nucleotides, the nucleotides composed of phosphate, nitrogenous bases and sugar (deoxyribose)
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2016-01-14T04:27:04+08:00
A nucleotide is the basic building block of nucleic acid, such as DNA and RNA. Is an organic compound made up of nitrogenous base, a sugar and a phosphate group.
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