STANDARDZoology-Biotechnology
STANDARD Zoology Isolation of DNA MCQ Question
Type: MCQ-conceptual-Medium
During the process of isolation of DNA, chilled ethanol is added to
A
Precipitate DNA
B
Break open the cell to release DNA
C
Facilitate action of restriction enzymes
D
Remove proteins such as histones
Correct Answer
Option A
Detailed Explanation
Ethanol precipitation is a commonly used technique for concentrating and de-salting nucleic acid (DNA or RNA) preparation in aqueous solution. Thus cool DNA helps the DNA to precipitate more quickly.
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