alleryPurified DNA finally precipitates out on adding chilled:
ABenzene
BToluene
CEthanol
DAcetone
Answer & Solution
Correct answer: C. Ethanol
1. Proteins and RNA are stripped away first.
2. Chilled ethanol is then poured over the extract.
3. DNA appears as fine threads in the suspension.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_
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