Which of the following is added to precipitate purified $DNA$?

  • A
    Chilled ethanol
  • B
    Chilled benzene
  • C
    Hot nitric acid
  • D
    Hot sulfuric acid

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During $PCR$,denaturation of $DNA$ is achieved by which of the following?

Recombinant $\text{DNA}$ is directly injected into the nucleus of an animal cell by $-$

Mention the main phases included in recombinant $DNA$ technology.

In the purification process of recombinant $DNA$ technology,what does the addition of chilled ethanol precipitate?

Plant cells are bombarded with high-velocity micro-particles of ........... coated with $DNA$ in a method known as gene gun.

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