Given below are two statements:
Statement I: Bt toxins are insect group specific and coded by a gene cry IAc.
Statement II: Bt toxin exists as inactive protoxin in B. thuringienis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic 
of the insect gut.
In the light of the above statements, choose the correct answer from the options given below:
Text Solution
Verified by ExpertsNOT AVAILABLE
Bt toxins are insect-group specific. The toxin is coded by a gene cryIAc named cry. The 
toxin protein exist as inactive protoxins but once an insect ingest the inactive toxin, it is converted into an active form of toxin due to the alkaline 
of the gut which solubilise the crystals.
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