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A recombinant DNA molecule can be produc...

A recombinant DNA molecule can be produced in the absence of the followingt :

A

E. coli

B

DNA ligase

C

DNA fragments

D

Restriction endonuclease

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The correct Answer is:
A
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A recombinant DNA molecule can be produced in absence of E.coli/Restriction endonuclease.

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Recombinant DNA technology can be used to produce large quantities of biologically active form of which one of the following products in E. coli?

A recombinant DNA molecule was created by ligating a gene to a plasmid vector. By mistake. An exonuclease was added to the tube containing the recombinant DNA. How does this affect the next step in the experiment, i.e., bacterial trasformation?

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GRB PUBLICATION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-Exemplar Problems
  1. Which of the given statement is correct in the context of observing DN...

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  2. Restriction' in restriction enzyme refers to

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  3. A recombinant DNA molecule can be produced in the absence of the follo...

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  4. In agarose gel eletrophoresis DNA molecules are separated on the basis...

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  5. The most important feature in a plasmid to be used as a vector is :

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  6. While isolating DNA from bacteria, Which of the following enzymes is n...

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  7. Which of the following has popularised the PCR (polymerase chain React...

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  8. An antibiotic resistance gene in a vector usually helps in the selecti...

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  9. Significance of 'heat shock' method in bacterial transformation is to ...

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  10. The role of DNA ligase in the construction of a recombinant DNA molec...

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  11. Which of the following bacteria is not a source of restriction endonu...

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  12. Which of the following steps are catalysed by Taq polymerase in PCR ...

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  13. A bacterial cell was transformed with a recombinant DNA that was gener...

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  14. Which of the following should be chosen for best yield if one were to ...

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  15. Who among the following was awarded the Nobal Prize for the developmen...

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  16. Which of the following statements does not hold true for restriction e...

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  17. Image of a molecular biologist associated with studies on the proper...

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  18. Read the following five statements (A to E) and select the option with...

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  19. Steps in formation of recombinant DNA by action of restriction endonu...

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  20. A typical agarose gel electrophoresis showing migration of undigested ...

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