PART-8 COMPETENT HOST||HEAT SHOCK||MICRO INJECTION||GENE GUN||DISARMED PATHOGEN||BIOLOGY CLASS 12TH

THIS VIDEO IS BASED ON METHODS BY WHICH WE W INTRODUCE ALIEN DNA IN HOST CELL, MEANS MAKING HOST COMPETENT SO THAT IT EASILY TAKE FOREIGN DNA. HERE ARE SOME METHODS- TREATING CELL WITH DIVALENT CATION LIKE CALCIUM AND THEN HEAT SHOCK. MICROINJECTION-INJECTING DNA DIRECTLY INSIDE THE HOST CELL GENE GUN-BOMBARDING OF GOLD AND TUNGSTEN PARTICLES COATED WITH DNA, INSIDE THE PLANT CELL. DISARMED PATHOGEN. #ncertkagyan #competenthost