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0 votes
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in Biology by (47.3k points)

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.

1 Answer

+1 vote
by (60.1k points)
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Best answer

(c) Toxin is inactive. This is because it exists as protoxin, inactive form in bacteria.

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