A nucleoside consists of:: (A) Nitrogenous base, (B) Purine or pyrimidine base + sugar, (C) Purine or pyrimidine base + phosphorous, (D) Purine + pyrimidine base + sugar + phosphorous
Answer is B. Ans. B. Purine or pyrimidine base + sugarposition of nucleotides = Sugar + Base + Phosphate Composition of nucleosides = Sugar + Base. No phosphate is present.