Sporeine kills insects by inhibiting ion tran | vedclass

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Question

(A) Sporeine (derived from $Bacillus 	ext{ } thuringiensis$) produces crystal proteins that are toxic to specific insects. When ingested, these cryst

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Midgut

Vedclass · Answer

(A) Sporeine (derived from $Bacillus 	ext{ } thuringiensis$) produces crystal proteins that are toxic to specific insects. When ingested, these crystals are solubilized in the alkaline $pH$ of the insect's midgut. The activated toxin binds to the surface of the midgut epithelial cells, creating pores that cause cell swelling and lysis, thereby inhibiting ion transport and leading to the death of the insect.

Sporeine kills insects by inhibiting ion transport in the

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