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प्रश्न
Write a short note on vectors.
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उत्तर
- Vectors are DNA molecules that transport and reproduce foreign DNA segments within the host cell.
- Vectors include plasmids, bacteriophages (M13, lambda virus), cosmids, phagemids, BACs, YACs (yeast artificial chromosomes), transposons, baculoviruses, and mammalian artificial chromosomes (MACs).
- Plasmid vectors (pBR 322, pUC, Ti plasmid) and bacteriophages (lambda phage, M13 phage) are the most often utilised vectors.
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संबंधित प्रश्न
Give a reason why :
Proteases are added during the isolation of DNA for genetic engineering.
Give the steps in PCR or polymerase chain reaction with suitable diagrams.
____________ cuts the DNA within the specific positions.
____________ is the manipulation of genetic material towards a desired end, in a directed and predetermined way, using in vitro process.
Lytic cycle involves bacteriophage and ____________.
What is the significance of adding proteases at the time of isolation of genetic material (DNA)?
Which of the following is the correct recognition sequence of restriction enzyme Eco RI?
To be a cloning vector, a plasmid require ______.
How does EcoRI differ from an exonuclease?
Which amino acid is coded by the initiation codon?
