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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
Explanation: Alkaline pH of gut of insects converts inactive protoxin into active toxin. This kills the insect.
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