Gujarat BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules1 Mark
MCQ
Purine derivative among the bases is:
A
Thymine
B
Uracil
✓
Guanine
D
Cytosine
✓
Answer
Correct option: C.
Guanine
Guanine is purine while guanine, cyotosine and uracil are pyrimidine.
Purines and Pyrimidines are nitrogenous bases that make up the two different kinds of nucleotide bases in $\text{DNA}$ and $\text{RNA}.$
The two$-$carbon nitrogen ring bases $($adenine and guanine$)$ are purines, while the one$-$carbon nitrogen ring bases $($thymine, uracil and cytosine$)$ are pyrimidines.
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