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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
What does PCR stand for? Describe the different steps of PCR
What is PCR? Explain different steps involved in it.
Vectors are ____________ molecules that carry a foreign gene and replicate inside the host cell.
In which of the following techniques, charged molecules (DNA, RNA and Proteins) are separated by applying the electric field?
In PCR technique, the organism providing thermostable DNA polymerase is a ____________.
Annealing step of PCR operates at ______ °C.
The polymerase chain reaction is a powerful technique to ______.
Write steps involved in gene amplification.
Give a reason for the following:
DNA cannot enter directly into the host cell.
Suneeta is planning an experiment to clone a gene in a vector. So, she has to choose a good cloning vector.
Which one of the vectors shown below should she choose? Justify your answer by giving two reasons.
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| Vector A | Vector B | Vector C |
