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प्रश्न
Name a recombinant vaccine that is currently being used in vaccination programme.
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उत्तर
Hepatitis B recombinant vaccine-engerix is used for vaccination of hepatitis virus.
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संबंधित प्रश्न
Retroviruses have no DNA. However, the DNA of the infected host cell does possess viral DNA. How is it possible?
The biological scissor is ______.
Write a short note on Electrophoresis.
What are the restriction endonucleases? Give the rules of their nomenclature.
What is the cell that receives a recombinant gene called?
The recognition sequence of restriction enzymes is generally ______ nucleotide long.
Explain the properties of a good or ideal cloning vector for rDNA technology.
Polymerase chain reaction is most useful in ______.
What is Palindromic sequence?
Bt-cotton shows adverse effect on the population of which butterfly?
Explain types of enzymes used in biotechnology?
For which of the following reason Agrobacterium tumefaciens is most widely used for gene transfer in plants?
Identify the characters that a cloning vector should possess.
i. Origin of replication (Ori)
ii. Ability to destroy the alien DNA
ii. Cloning site to link the alien DNA
iv. The tumour inducing plasmid Ti
v. Selectable marker
vi. Low molecular weight
Identify the CORRECT sequence of steps in PCR.
The time taken to complete one cycle of PCR is around ______.
____________ cuts the DNA within the specific positions.
Study the following statements regarding separation of DNA using agarose gel electrophoresis.
- Large fragments of DNA molecules move faster than small DNA fragments and thus separate faster.
- DNA being negatively charged migrates to cathode.
______ is a Type I restriction enzyme.
The rDNA technology has provided a method to control the nematode parasite Meloidogyne incognita. Explain the principle involved in this technique.
Expand the following acronym:
BAC
Which of these are most widely used in genetic engineering?
Study the following lists and choose the correct match.
| List I | List II |
| A. Vector | (i) Resistant to cotton bollworms |
| B. Downstream processing | (ii) Mobile genetic elements |
| C. Cry II AB | (iii) Controls corn borers |
| D. Transposons | (iv) Ti plasmid |
| (v) Purifying protein in biopharmaceuticals |
Describe three steps involved in mechanism of PCR.
The DNA polymerase enzyme used in PCR is obtained from______.
Write steps involved in gene amplification.
Explain the mechanism of PCR.
Give a reason for the following:
The diagram given below represents vector pBr322 which was modified by a research scholar Dr. Rayon, but the vector was rejected by his guide.
The manipulation of genetic material towards a desired end using "in-vitro" process is called______.
