1.

The presence or absence of hydroxy group on which carbon atom of sugar differentiates `RNA` and `DNA`.A. `1^(st)`B. `2^(nd)`C. `3^(rd)`D. `4^(th)`

Answer» Correct Answer - B
In RNA, the OH group is present in `C_(2)` cxarbonation of ribose sugar while it is absent in DNA.


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