Bt toxins are initially inactive protoxins,bu | vedclass

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(A) The correct answer is the alkaline $pH$ of the gut.$Bt$ toxin is an intracellular crystalline protein. Specific $Bt$ toxin genes obtained from $Ba

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Alkaline $pH$ of the gut

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(A) The correct answer is the alkaline $pH$ of the gut.$Bt$ toxin is an intracellular crystalline protein. Specific $Bt$ toxin genes obtained from $Bacillus$ $thuringiensis$ are used in several crop plants like cotton. $Bt$ toxins are initially produced as inactive protoxins. After ingestion by the insects,the inactive toxin becomes active due to the alkaline $pH$ of the gut,which dissolves the crystals and releases the active toxin.

Bt toxins are initially inactive protoxins,but after ingestion by the insects,their inactive toxin becomes active due to the

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