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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.
Related Questions:
- In which one of the following the genus name its phylum name and its two characters
- Transition state structure of the substrate formed during an enzymatic reaction is:
- Naked DNA without histones is found in
- Stomata do not occur in
- Which of the following is a component of electron transport chain in mitochondria
Topics: Biotechnology and Its Applications
(123)
Subject: Biology
(4253)
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