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During the process of isolation of DNA, chilled ethanol is added to
Options
(a) Remove proteins such as histones
(b) Precipitate DNA
(c) Break open the cell to release DNA
(d) Facilitate action of restriction enzymes
Correct Answer:
Precipitate DNA
Explanation:
Ethanol is non-polar molecule while DNA is a polar molecule, it has a net negative charge due to the phosphate groups attached to it. When DNA is placed into a solution of 100% ethanol, it becomes insoluble and precipitates out of solution.
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Topics: Biotechnology and Its Applications
(123)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The function of iris in the eyes of the frog is to
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- Which of the following is a flowering plant with nodules containing filamentous
- List of endangered species was released by
- A population will not exist in Hardy -Weinberg equilibrium if :
Topics: Biotechnology and Its Applications (123)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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