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A gene whose expression helps to identif...

A gene whose expression helps to identify transformed cell is known as

A

Selectable marker

B

Vector

C

Plasmids

D

Structural gene

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The correct Answer is:
A
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The different steps of recombinant DNA technology are given below randomly. (i) Isolation of the DNA fragments or genes to be cloned (ii) Introducting of the recombinant DNA into a suitable cell (usually E. coil) called host (transformation) (iii) Multiplication/expression of the introduced gene in the host (iv) Selection of the transformed host cells, and identification of the clone containing the desired gene/DNA fragment (v) Insertion of the isolated gene in a suitable plasmid vector Which of the following represents the correct sequences of steps ?

AAKASH INSTITUTE-BIOTECHNOLOGY-PRINCIPLES AND PROCESSES-ASSIGNMENT SECTION-C (Previous Years questions )
  1. A gene whose expression helps to identify transformed cell is known as

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  2. DNA fragments are

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  3. The DNA fragments separated on an agarose gel can be visualised after ...

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  4. What is the criterion for DNA fragments movement on agarose gel during...

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  5. Stirred-tank bioreactors have been designed for

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  6. A foreign DNA and plasmid cut by the same restriction endonuclease can...

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  7. Which of the following is not a component of downstream processing

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  8. Which of the following restriction enzymes produces blunt ends ?

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  9. Which of the following is not a feature of the plasmids ?

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  10. The taq polymerase enzyme is obtained from

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  11. Which of the following is a restriction endonuclease ?

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  12. The DNA molecule to which the gene of interset is integrated for cloni...

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  13. The cutting of DNA at specific locations became possible with the disc...

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  14. Which vector can clone only a small fragment of DNA ?

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  15. DNA fragments generated by restriction endonucleases in a chemical rea...

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  16. Which of the following is not correctly matched for the organism and i...

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  17. The colonies of recombinant bacteria appear white in contrast to blue ...

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  18. Which one is a true statement regarding DNA polymerase used in PCR

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  19. For transformation, micro-particles coated with DNA to be bombarded fr...

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  20. The figure below is the diagrammatic representation of the E.coli vect...

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