Answer the questions based on the dinucleotide structure shown below

CBSE Class 12 CBSE Class 12 Biology
,
1

Answer the questions based on the dinucleotide structure shown below.

(i) Name the type of sugar guanine base is attached to.
(ii) Name the linkage connecting the two nucleotides.
(iii) Identify the 3’ end of the dinucleotide. Give a
reason for your answer.

2

(i) Deoxyribose.
(ii) Two nucleotides are linked through 3’ —» 5’ phosphodiester linkage to form a dinucleotide.
(iii) B is 3’ end, here the sugar has a free 3’ OH group.

3

The sugar is deoxyribose? Even when uridine is present? -___-