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Molecular Basis of Inheritance

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

Previous Year Papers

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Class 10 Class 12

Which of the following is used in gene cloning?

  • Nucleoids

  • Lomasomes

  • Mesosomes

  • Plasmids


D.

Plasmids

Plasmids are extrachromosomal genetic elements (DNA) found in bacterial cells. These can exist and replicate independently of the bacterial chromosome. Nowadays plasmids are widely used as vectors to produce recombinant DNA for gene cloning.

Plasmids are extrachromosomal genetic elements (DNA) found in bacterial cells. These can exist and replicate independently of the bacterial chromosome. Nowadays plasmids are widely used as vectors to produce recombinant DNA for gene cloning.

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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

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)
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How many nucleotides are present in a bacteriophage ϕ x 174.

5386
805 Views . 6 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.
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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.
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