Question

Bacillus thuringiensis forms protein crystals which contain insecticidal protein

Answer 1

Answer:

Explanation:

Soil bacterium Bacillus thuringiensis (Bt) possesses is a gene family cry gene (1-40) over its plasmid, which forms an endotoxic proteins, cry protein (protein crystals) during a particular phase of its growth. These crystals contain a toxic insecticidal protein. This toxin, however does not kill the Bacillus.