Questions
Select the incorrect statement
a
Bt toxin protein exist as inactive protoxins.
b
Proteins derived from Bacillus thuringiensis kill insects of only lepidopterans of Insecta.
c
Some strains of Bacillus thuringiensis produce proteins that have insecticidal properties.
d
Once an insect ingest the inactive toxin of Bacillus thuringiensis, it is converted into an active form of toxin due to the alkaline pH of the gut.
detailed solution
Correct option is B
Some strains of Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans (tobacco budworm, armyworm), coleopterans (beetles) and dipterans (flies, mosquitoes).Talk to our academic expert!
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The activated Bt- toxin binds to the
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