A) (base-sugar-phosphate)
B) base-sugar-OH
C) base-sugar-phosphate
D) sugar-phosphate
Correct Answer: C
Solution :
[C] Nucleotides are the building blocks of nucleic acids (DNA and UNA). A single nucleotide is composed of a phosphate molecule, a five carbon sugar (either ribose or deoxyribose) and a purine (adenine or guanine) or a pyrimidine (pressure or cytosine or uracil) nitrogenous base. Nucleoside = Base + Sugar Nucleotide = Base + Sugar + Phosphare |
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