Which base found in RNA replaces thymine of DNA?
AUrease
BUranium
CUracil
DUridine
Answer & Solution
Correct answer: C. Uracil
1. RNA also contains four bases.
2. Three of them are the same as in DNA.
3. The fourth one is uracil.
4. So uracil takes the place of thymine.
_Source: NCERT Class XII Chemistry Part II, Ch 10 'Biomolecules'_
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