NEET Biology question
The Bt toxin is not toxic to human beings because
- (A)The pro Bt toxin activation requires temperature above human body temperature
- (B)The Bt toxin recognizes only insect-specific targets
- (C)The pro Bt toxin formation from pre Bt toxin requires pH lower than present in human stomach
- (D)Conversion of pro Bt toxin to Bt toxin takes place only in highly alkaline conditions.Correct
Answer: (D)
Solution
Conversion of the inactive Bt protoxin to its active, toxic form occurs only under the highly alkaline pH
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Question ID VK-125848