NEET Previous Year Question
What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
Topic: NEET PYQ
Answer: C. Full step-by-step solution below.
- ABody temperature
- BMoist surface of midgut
- CAlkaline pH of gut
- DAcidic pH of stomach
Correct answer: C
Solution
(c) In insects like bollworm, the Bt protoxin (from Bacillus thuringiensis) is activated in the alkaline environment of the midgut, where it is converted into the active toxin that kills the insect.More Biotechnology: Principles & Processes PYQs
- Which of the following is a restriction endonuclease?
- DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:
- Stirred-tank bioreactors have been designed for
- In gel electrophoresis, separated DNA fragments can be visualized with the help of:
- Which of the following is not a component of downstream processing?