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

During The Process Of Isolation Of Dna Chilled Ethanol Is Biology Question

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.

Related Questions:

  1. The function of iris in the eyes of the frog is to
  2. The process by which plasma membrane transports substances out of the cell
  3. Which of the following is a flowering plant with nodules containing filamentous
  4. List of endangered species was released by
  5. 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

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*