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Question: Answered & Verified by Expert
A protoxin is
BiologyBiotechnology and Its Applications
Options:
  • A
    a primitive toxin
  • B
    a denatured toxin
  • C
    toxin produced by protozoa
  • D
    inactive toxin
Solution:
1522 Upvotes Verified Answer
The correct answer is:
inactive toxin
. A protoxin is an inactive toxin. The word 'pro' in protoxin means 'inactive form'. B. thuringiensis forms protein crystal that contains a toxic insecticidal protein (Bt toxin).

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