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  4. The coleopteran insect that can be killed by proteins produced by Bacillus thuringiensis is

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Q. The coleopteran insect that can be killed by proteins produced by Bacillus thuringiensis is

NTA AbhyasNTA Abhyas 2020Biotechnology and its Applications

Solution:

Some strains of Bacillus thuringiensis produce proteins that kill certain insects such as lepidopterans (tobacco budworm, armyworm), coleopterans (beetles) and dipterans (flies, mosquitoes). B. thuringiensis forms protein crystals during a particular phase of their growth. These crystals contain a toxic insecticidal protein.