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Crystals of Bt toxin produced by some ba...

Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because

Text Solution

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Because Bt toxin is present in the form of protoxin in Bacillus bacterium.
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Crystals of Bt toxic protein synthesized by some bacteria kill the insects but do no kill themselves . Explain.

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Knowledge Check

  • Crystal of Bt toxin produced by some bacteria do not kill the bacteria because

    A
    Bacteria are resistant to the toxin
    B
    Toxin is inactive
    C
    Toxin is immature
    D
    Bacteria enclose toxin is a special sac.

  • Bt toxin is produced by :

    A
    Bacillus subtilis
    B
    Rhizobium
    C
    Clostridium
    D
    Bacillus thuringiensis

  • Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because

    A
    bacteria are resistant to the toxin
    B
    toxins occur as inactive protoxins in bacteria
    C
    bacteria enclose toxins in a special sac
    D
    none of these

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