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Gel electrophoresis is used for...

Gel electrophoresis is used for

A

construction of r-DNA

B

isolation of DNA

C

cutting of DNA

D

separation of DNA fragments according to their size or length

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The correct Answer is:
D
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Gel electrophoresis is a

Gel electrophoresis is a

Assertion (A) : Agarose gel electrophoresis is used to check the progression of a restriction enzyme digestion. Reason (R) : Restriction enzyme digestions are performed by incubating purified DNA molecules with restriction enzyme.

Select the correct option to fill up balnks. (i) ________is a natural polymer extracted from_____. (ii) The DNA fragments purified by gel electrophoresis are used in constructing______by joining them with_______. (iii) The ligation of alien DNA is carried out at a________. present in one of the two________in a plasmid vector. (iv)_________enzyme remains active during the high temperature induced denaturation of ds DNA (v) DNA fragments are resolved according to their_________ through ______in agarose gel electrophoresis.

Gel electrophoresis is employed in . I. Separation of DNA fragmetns . II. Selection of DNA fragments . III. Vissualizing DNA IV. Check the progression of restriction enzyme digestion.

The most commonly used matrix in gel electrophoresis is agarose, which is a natural polymer extracted from :-

Agarose gel electrophoresis is employed to check the progression of a restriction enzyme .......

Gel electrophoresis separates DNA molecules according to their ______.

TRUEMAN BIOLOGY-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-MULTIPLE CHOICE QUESTIONS
  1. Plasmids are suitable vectors for gene cloning because :

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  2. Chemical knives of DNA are :

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  3. Gel electrophoresis is used for

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  4. Bacteria protect themselves from viruses by fragmenting viral DNA with

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  5. Ti-plasmids used in genetic engineering is obtained from :

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  6. DNA content is doubled during

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  7. GAATTC is the recognization site for which of the following restrictio...

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  8. Plants in comparison to animals are more rapidly manipulated by geneti...

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  9. In recombinant DNA technique, the term vector refers to :

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  10. The mobile genetic element is

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  11. Which of the cell organelle lack membrane ?

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  12. Which one of the following palindromic base sequences in DNA can be ea...

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  13. Genetic engineering has been successfully used for producing:

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  14. In genetic engineering, a DNA segment (gene) of interest, is translate...

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  15. DNA or RNA segment tagged with a radioactive molecule is called

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  16. The vector for T-DNA is :

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  17. Which of the following is a plasmid ?

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  18. There is a restriction endonuclease called Eco RI. What does 'co' part...

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  19. Which of the following is correctly matched?

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  20. PCR proceeds in three distinct steps governed by temperature they are ...

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