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Bacillus thuringiensis forms protein cry...

Bacillus thuringiensis forms protein crystals which contain insecticidal protein This protein

A

Binds with epithelial cells of mid gut of the insect pest ultimately killing it

B

Is coded by several genes including the gene cry

C

Is activated by acid pH of the foregut of the insect pest

D

Does not kill the carrier bacterium which is itself resistant to the toxin.

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The correct Answer is:
A
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