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During the process of isolation of DNA, ...

During the process of isolation of DNA, chilled ethanol is added to

A

Remove proteins such as histones

B

Precipitate DNA

C

Break open the cell to release DNA

D

Facilitate action of restriction enzymes

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The correct Answer is:
B
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AAKASH INSTITUTE-BIOTECHNOLOGY-PRINCIPLES AND PROCESSES-ASSIGNMENT SECTION-B (Objective type questions )
  1. A chimaeric DNA is formed by

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  2. Although the Ti plasmid has revolutionised plant genetic engineering o...

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  3. A plasmid

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  4. Which of the following is not a method of introducing alien DNA into h...

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  5. Each restriction endonuclease functions by inspecting the length of a ...

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  6. Which enzyme is required to prevent unwanted self-ligation of vector D...

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  7. A set of bacterial clones, ech containing a plasmid or phage is called

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  8. Which of these are most widely used in genetic engineering ?

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  9. A tumor including plasmid widely used in the production of transgeneti...

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  10. During the process of isolation of DNA, chilled ethanol is added to

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  11. Agarose extracted from sea weeds finds use in

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  12. Which of the following is not a basis of difference between plasmid an...

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

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  14. Select the option that excludescharacteristics applicable to plasmids ...

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  15. PCR is used for

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  16. Term 'Disarmed ' in disarmed vector represents

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  17. Method in which recombinant DNA is directly injected into the nucleus ...

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  18. Which of the following represents an advantage of growing cells in con...

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