Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because ………………..
A. bacteria are resistant to toxin
B. toxin is immature
C. toxin is inactive
D. bacteria encloses toxin in a special case
Answer:C
Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because ………………..
A. bacteria are resistant to toxin B. toxin is immature C. toxin is inactive D. bacteria encloses toxin in a special case