Given below is a schematic diagram of a portion of DNA.(a) How many st

1.	Given below is a schematic diagram of a portion of DNA.(a) How many strands are shown in the pic? (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, 3 collectively.
Answer» (a) 2 (b) 2 on each strand (c) 1- Phosphate, 2- Sugar, 3- Nitrogen Base, 4- Hydrogen Bond, 5 – Base (d) Nucleotide

Given below is a schematic diagram of a portion of DNA.(a) How many strands are shown in the pic? (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, 3 collectively.

Answer»

(a) 2

(b) 2 on each strand

2- Sugar,

3- Nitrogen Base,

4- Hydrogen Bond,

5 – Base

(d) Nucleotide