Molecular Basis of Inheritance

Sponsor Area

Question
CBSEENBI12000267

Name the genetic material for majority of organisms.

Solution

DNA (Deoxyribose nucleic acid)

Sponsor Area

Question
CBSEENBI12000268

List the function of RNA.

Solution

Functions of RNA
RNA acts as genetic material in viruses
It also functions as an adapter and messenger 
It also acts as a catalytic molecule and catalyses various biochemical reactions.

Question
CBSEENBI12000269

How many nucleotides are present in a bacteriophage ϕ x 174.

Solution

5386

Question
CBSEENBI12000270

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

Solution

(i) 48502 bp
(ii) 4.6 x 106 bp and
(iii) 3.3 x 109 bp.