Question

Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because - (a) bacteria are resistant to the toxin (b) toxin is immature (c) toxin is inactive (d) bacteria encloses toxin in a special sac.

Answer 1

The toxins produced by the bt toxin will active at particular temperature especially at particular ph .the bt toxin incorporated in the fruit trees when only enters into the caterpillelr gut it kills it because at that particular ph the toxin get activated and it does not affect any other organism thats it