(C) $Bacillus thuringiensis$ bacteria produce $Bt$ toxin in an inactive form known as protoxin.When an insect ingests these crystals, the alkaline $p

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Toxins occur as inactive protoxins in bacteria

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

Class 12 Biology Biotechnology and its Applications Biotechnological Applications in Agriculture

Medium

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

A
Bacteria are resistant to the toxin
B
Bacteria enclose toxins in a special sac
C
Toxins occur as inactive protoxins in bacteria
D
None of the above

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Biotechnology and its Applications

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Biotechnological Applications in Agriculture

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

Similar Questions

Which vitamin content was increased in golden rice using biotechnology?

Which method is used to make tobacco plants resistant to pests?

Golden rice is enriched with which of the following?

Statement-$A$: At present,about $30$ recombinant therapeutics have been approved for human use the world over.Statement-$B$: $27$ documented varieties of Basmati rice are grown in India.

$A$ tumor-inducing plasmid widely used in the production of transgenic plants is that of

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Statement-$A$: At present,about $30$ recombinant therapeutics have been approved for human use the world over.
Statement-$B$: $27$ documented varieties of Basmati rice are grown in India.