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A gene whose expression helps to identif...

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

A

vector

B

Plasmid

C

Structural gene

D

Selectable marker

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The correct Answer is:
D
A gene whose expression helps to identify transformed cell is known as selectable marker
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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 ?

A2Z-BIOTECHNOLOGY: PRINCIPLES AND PROCESSES-Section C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS Question)
  1. The DNA molecule to which the gene of interset is integrated for cloni...

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  2. The introduction of T-DNA into plants involves

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

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  4. Isolation of DNA from a fungal cell involves the use of enzyme

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

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  6. Which of the following is a restriction endonuclease ?

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  7. Stirred-tank bioreactors have been designed for

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  8. A foreign DNA and plasmid cut by the same restriction endonculease can...

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  9. Which of the following is not a component of down stream processing ?

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

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

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  12. The process of separation and purification of expressed protein before...

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

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

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  15. The correct order of steps in Polymerase Chain Reaction (PCR) is

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  16. In genetic engineering, which of the following is used ?

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  17. After 4 PCR cycles how many DNA molecules are formed from one DNA temp...

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  18. Select the correct order of processing of PCR

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  19. Plasmid vector in DNA recombinant technology means

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  20. Which of the following statement is not correct about cloning vector ?

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