12th Class Biology Biotechnology : Principles And Processes

  • question_answer 36)
      What does 'competent' refer to in competent cells used in transformation experiments?


                      DNA being a hydrophilic molecule cannot pass through cell membranes, Therefore, the bacteria should be made competent to accept the DNA molecules. Competent means bacterial cells, on treatment with chemicals likeCaCl2, are made capableof taking up foreign DNA.

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