Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
A nucleoside differs from a nucleotide in not having
✓
Phosphate
B
Sugar
C
Nitrogen base
D
Phosphate and sugar
✓
Answer
Correct option: A.
Phosphate
a (a)In a nucleotide, purine or pyrimide nitrogenous base is joined by deoxyribose pentose sugar (d), which is further linked with phosphate (P) group to form nucleotides.
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