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Which of the following statement are incorrect ? (i)RNA act as a genetic material as well as a catalyst. (ii)RNA is more stable than DNA (iii)RNA has evolved from DNAA. (i) and (iii) onlyB. (ii) and (iii) onlyC. (i), (ii) and (iii)D. (i) and (ii) only |
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Answer» Correct Answer - b (b) : Evidences suggest that essential life processes such as metabolism, splicing , translation, etc. evolved around RNA . RNA used to act as a genetic material as well as a catalyst and being a catalyst it was reactive and hence unstable. Therefore, DNA has evolved from RNA with chemical modifications. |
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