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  • Need clarity, kindly explain! The bacterium Bacillus thuringiensis iswidely used in contemporary biology as

The bacterium Bacillus thuringiensis is widely used in contemporary biology as

  • Option 1)

    Insecticide

  • Option 2)

    agent for the production of dairy products 

  • Option 3)

    source of industrial pollution

  • Option 4)

    An indicator of water pollution

 

Answers (1)

best_answer

As learnt in

Bacillus Thuringiensis -

Bacillus Thuringiensis is a Gram-positive bacteria; During sporulation this bacteria  forms crystals of proteins or (cry protein), which are coded by cry genes (Cry 1 AC) Cry genes are used to make insecticide transgenic plants.

- wherein

When insects ingest crystal proteins , the alkaline pH of gut denature the insoluble protein into soluble. Soluble proteins makes gut porous and cause death of insect (Lepidopteran)

 

 


Option 1)

Insecticide

This option is correct

Option 2)

agent for the production of dairy products 

This option is incorrect

Option 3)

source of industrial pollution

This option is incorrect

Option 4)

An indicator of water pollution

This option is incorrect

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Plabita

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