Questions
Bt toxin produced by Bacillus thuringiensis does not kill the bacteria itself because:
a
Toxin exists as inactive protoxin in the Bacillus cell.
b
The acidic pH required for the activation of the toxin is not present in the bacteria
c
Toxin is only produced in the host organism after induction from host protein
d
Certain enzymes like methylase deactivates the toxin in the bacteria
detailed solution
Correct option is A
The Bt toxin protein exist as inactive protoxins in Bacillus but once an insect ingests the inactive toxin, it is converted into an active form of toxin due to the alkaline pH of the gut which solubilise the crystals.Talk to our academic expert!
Similar Questions
The activated Bt- toxin binds to the
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
Popular Books
HC Verma Part 1HC Verma Part 2RS AgarwalRD SharmaLakhmir SinghDK GoelSandeep GargTS GrewalNCERT solutions
Class 12 NCERT SolutionsClass 11 NCERT SolutionsClass 10 NCERT SolutionsClass 9 NCERT SolutionsClass 8 NCERT SolutionsClass 7 NCERT SolutionsClass 6 NCERT Solutions
