1.

By which of the following bonds, a nitrogenous base is linked to the pentose sugar?(a) Phosphate bond(b) Ester bond(c) Peptide bond(d) N-glycosidic bondThe question was asked in semester exam.The question is from Molecular Basis of Inheritance in division Molecular Basis of Inheritance of Biology – Class 12

Answer»

The correct choice is (d) N-glycosidic bond

Easiest explanation: A nitrogenous base is linked to the pentose SUGAR by an N-glycosidic bond. As a result of this LINKAGE, a nucleoside is formed. Purine NUCLEOSIDES have 1’-9 glycosidic linkage and pyrimidine nucleosides have 1’-1 linkage.



Discussion

No Comment Found

Related InterviewSolutions