Class 12th Biology 2013 Set1 Delhi Board Paper Solution

Question 22

Describe the structure of a RNA polynuclotide chain having four different types of nucleotides.

Answer
RNA polynucleotide consists of namely
 
(i) Sugar = Ribose                             (ii) Phosphate group                     (iii) Nitrogenous bases like

structure of a RNA polynuclotide chain

 
Adenine - A                                                                                        Uracil - U
Cytosine - C                                                                                      Guanine - G