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Question

Cry protein is _________.

A
Insecticidal
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B
Fungicidal
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C
Bactericidal
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D
All of the above
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Solution

The correct option is A Insecticidal
Cry protein works against a particular group of insects. It is an inactive protoxin that requires an alkaline medium to solubilize and proteases for activation. Once activated, it binds to specific receptors located in the insect’s midgut epithelial cells and creates pores that eventually lead to the death of the insect.

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