Explain DNA structure ?(3mark)
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Posted by Suresh Jadhav 8 years, 4 months ago
- 2 answers
Kritika Trehan 8 years, 4 months ago
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determinesDNA's instructions, or genetic code.
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Sandhya Shree 8 years, 4 months ago
double helix
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