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Biotechnology and Its Applications
Question
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Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because

  • bacteria are resistant to the toxin
  • toxin is immature
  •  toxin is inactive
  • bacteria encloses toxin in a special sac

Answer

C.

 toxin is inactive

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Some More Questions From Biotechnology and Its Applications Chapter

What is the utility of Bt-Toxin gene ?

Bt-toxin protein exist in which form ?

How is inactive Bt-toxin converted into active form ?

How Bt toxin causes death of insect ?

Name a few forms of cry gene.

List the specific insects killed by (i) cryIAc and (ii) cryIAb.

Name the insect killed by proteins coded by cryIIAb and cry IAc.

What is unique about transgenic animals ?

What is silencing of mRNA ?

What is the process of silencing mRNA ?