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CBSE Class 12-science Answered

Write any three difference between DNA and RNA.

Asked by Topperlearning User | 29 May, 2014, 05:47: PM
Expert Answer
DNA (Deoxyribonucleic acid) RNA (Ribonucleic acid)
(i) DNA contains Cytosine and Thymine as pyrimidine bases and Guanine and Adenine as purine bases. (i) RNA contains Cytosine and Uracil as pyrimidine bases and Guanine and Adenine as purine bases.
(ii) DNA has double stranded alpha-helix structure. (ii) RNA has single stranded structure.
(iii) DNA occurs in nucleus of the cell. (iii) RNA occurs in cytoplasm of the cell.
(iv) The sugar present in DNA is 2-deoxy-D(-) ribose. (iv) The sugar present in RNA is D(-) ribose.
Answered by | 29 May, 2014, 07:47: PM
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