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The trigger for activation of the toxin of Bacillus thuringiensis is:
a. Acidic pH of stomach
b. High-temperature
c. Alkaline pH of gut
d. Mechanical action in the insect gut
Answers (1)
The answer is the option (c) Alkaline pH of gut
Alkaline pH of gut of insects converts inactive protoxin into active toxin. This kills the insect.
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