Bacillus text{ } thuringiensis text{ } text{b | vedclass

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Question

(C) $Bacillus 	ext{ } thuringiensis$ 	ext{ } 	ext{bacteria produce } Bt 	ext{ } 	ext{toxin in an inactive form known as protoxin. }	ext{When an

Vedclass · Accepted Answer

Toxins occur as inactive protoxins in bacteria

Vedclass · Answer

(C) $Bacillus 	ext{ } thuringiensis$ 	ext{ } 	ext{bacteria produce } Bt 	ext{ } 	ext{toxin in an inactive form known as protoxin. }	ext{When an insect ingests these crystals, the alkaline } pH 	ext{ of the insect's gut solubilizes the crystals and converts the inactive protoxin into an active toxin. }	ext{Since the toxin is inactive within the bacterial cell, it does not harm the bacterium itself.}

$Bacillus \text{ } thuringiensis$ \text{ } \text{bacteria contain } Bt \text{ } \text{toxin protein crystals. These do not kill the bacteria themselves because:}

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