Q.

Why is chilled ethanol added during the isolation of DNA?

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a

To activate restriction enzymes for cutting DNA

b

To dissolve the cell membrane and release DNA

c

To precipitate purified DNA from the solution

d

To break down proteins and separate them from DNA

answer is C.

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Detailed Solution

 During the isolation of DNA chilled ethanol is added to precipitate purified DNA from the solution.

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