What triggers activation of protoxin to active toxin of Bacillus thuringiensis in boll worm

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm? (A) Body temperature (B) Moist surface of midgut (C) Alkaline pH of gut (D) Acidic pH of stomach

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

What triggers activation of protoxin to active Bt toxin of the BACILLUS thuringiensis in boll worm ?

The trigger for activation of toxin of Bacillus thuringiensis is

The trigger for activation of toxin of Bacillus thuringiensis is

The trigger for activation of toxin of Bacillus thuringiensis is

The trigger for activation of toxin of Bacillus thuringiensis is

The trigger for activation of toxin of Bacillus thuringiensis is :