Question

Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because

Answer 1

Answer:

Protoxins.

Explanation:

In the bacteria it is present as protoxins which creates no harm to the bacteria.

It only gets activated under the alkaline pH of the gut of insects and creates pores on the epithelial cells of midgut and finally causes swelling and lysis which eventually cause death of that insect......