| ⇦ | 
| ⇨ |
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: - What is a function of villi?
- In the case of peppered moth (Biston betularia) the black
- Opening of flower is an example of
- C₄ plants have an advantage over C₃ plants when the weather is
- In male reproductive system, sperms are concentrated in the
Topics: Biotechnology and Its Applications
(123)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is a function of villi?
- In the case of peppered moth (Biston betularia) the black
- Opening of flower is an example of
- C₄ plants have an advantage over C₃ plants when the weather is
- In male reproductive system, sperms are concentrated in the
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.
Share this page with your friends
Leave a Reply