These are having the ability to replicate within the bacterial cell, independent of control of chromosomal DNA.
Show Hint
- Plasmids and virus
- Plasmids and bacteria
- Plasmids and bacteriophage
- Nucleus and plasmids
The Correct Option is C
Solution and Explanation
Top Questions on Applications of Biotechnology
Answer the following questions:
(a) [(i)] Explain how some strains of Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans but do not kill the Bacillus.
[(ii)] How is the above mechanism exploited for the production of Bt cotton plant by biotechnologists?
(b) [(i)] Explain how the amplification of gene of interest is done using PCR.
[(ii)] State two applications of the desired amplified fragment of DNA.
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(a) Cow named Rosie
(b) \(\alpha\)-1-antitrypsin- CBSE CLASS XII - 2025
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Reason (R): Cells selected for somatic hybridisation have desirable characters.- CBSE CLASS XII - 2025
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The basic scheme of the essential steps involved in the process of recombinant DNA technology is summarised below in the form of a flow diagram. Study the given flow diagram and answer the questions that follow.
(a) What is the technical term used for Step 4 in the above process?
(b) Which of the given two combinations of restriction enzyme should be used in Step 1? Justify your answer.
(i) EcoR I to cut the plasmid and Hind III to cut the alien DNA.
(ii) EcoR I to cut both the plasmid and alien DNA.- CBSE CLASS XII - 2025
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- Applications of Biotechnology
- The cloning site present in the tetracycline resistance gene of \textit{E. coli cloning vector pBR322 is:
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