Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Toxin present in Bacillus thuringiensis does not kill the bacterium because it is inactive form what makes it active inside the insect?
Text Solution
Verified by ExpertsThe correct answer is:
A
The Bt toxin (Cry protein) remains inactive in crystal form. Inside the insect gut, the alkaline pH dissolves and activates the toxin, which then binds to gut cells and kills the insect.
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