Bt toxins are initially inactive protoxins but after ingestion by insects their inactive toxin becom

English

Gujarati

Hindi

10.Biotechnology and its Application

normal

Bt toxins are initially inactive protoxins but after ingestion by the insects their inactive toxin becomes active due to the

Alkaline $pH$ of the gut

Acidic $pH$ of the gut

Temperature of the gut

Hormone present in the gut

Solution

Alkaline $pH$ of the gut.

Bttoxin is an intracellular crystalline protein. Specific Bttoxin genes obtained from Bacillus thuringiensis are used in several crop plants like cotton. Bt toxins are initially inactive protoxins but after ingestion by the insects their inactive toxin becomes active due to the alkaline $pH$ of the gut which dissolves the crystals

Standard 12

Biology