Q. Pure DNA precipitated by addition of chilled ethanol can be removed from solution by

 2122  211 Biotechnology : Principles and Processes Report Error

Solution:

Spooling is a method of obtaining DNA in a form of spool over a glass rod at the last step of DNA extraction. Elution is extraction of separated bands of DNA from agarose gel.
Gel electrophoresis is a method for separation and analysis of macromolecules and their fragments based on their size using gel medium.
PCR polymerase chain reaction ensures amplification of gene of interest