(a) How many strands are shown in the diagram?
(b) How many nucleotides have been shown in each strand?
(c) Name the parts numbered 1,2,3,4 and 5 respectively.
(d) Name the DNA unit constituted by the parts 1, 2 and 3 collectively.
Answers:
(a)2 strands
(b) 2 nucleotides
(c) 1 – Phosphate
2 – Sugar
3 – Bases
4 – Hydrogen Bond
5 – Base
(d) Nucleotide