what is role of glycerol is used in preparation of competent cells ?

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GLYCEROL ACTS AS DNA ATTACHMENT SUBSTANCE.... AND ALSO INCREASE  CELL POROSITY TO MAKE THE DNA TO ENTER INSIDE THE CELL EASILY....  PEG  I.E. POLY ETHYLENE GLYCO  USE  DURING CELL TRANSFORMATION  TO INCREASE THE TRANSFORMATION EFFICIENCY....
answered by SUMANTA PAL
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