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Molecular Basis of Inheritance

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CBSE Gujarat Board Haryana Board

Previous Year Papers

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Class 10 Class 12

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?

  • 1

  • 11

  • 33

  • 333



1753 Views . 5 Shares

Comment two chains of DNA have antiparallel polarity.

The Two chain of DNA are antiparallel that is
if one chain has 5’ x 3’ polarity the other chain has 3’ x 5’ polarity.
658 Views . 10 Shares

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

(i) 48502 bp
(ii) 4.6 x 106 bp and
(iii) 3.3 x 109 bp.
757 Views . 4 Shares

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

805 Views . 6 Shares

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)
965 Views . 8 Shares

List the function of RNA.

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.
721 Views . 4 Shares

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