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Bt Toxin

What triggers...

Question

What triggers activation of protoxin to active toxin of Bacillus thuringiensis in bollworm?

A

Acidic pH of stomach

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B

Body temperature

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C

Moist surface of midgut

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D

Alkaline pH of gut

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Solution

The correct option is D Alkaline pH of gut
The Bt protoxin is activated in the gut of the bollworm due to the alkaline pH which solubilises the crystals of the protoxin.

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