Bissoy.com
Doctors Medicines MCQs Q&A

The Cholera toxin produced by Vibrio cholera exerts its effect by _____________________

The Cholera toxin produced by Vibrio cholera exerts its effect by _____________________ Correct Answer modifying G-protein

The cholera toxin exerts its effect by inhibiting the GTPase activity of G-proteins in the cells of intestinal epithelium and modifying their G-alpha subunits. This causes the epithelial cells to secrete large volumes of fluid into the intestinal lumen.

Related Questions

In a person with cholera, diarrhea occurs due to toxins produced by the virus on multiplication in the small intestine. The toxin produced by Vibrio cholerae is
A type of food poisoning called botulism is caused by a bacterium due to a toxin produced by it. This toxin is extensively used
The question below consists of a set of labelled sentences. From the four options given, select the most probable sequence to form a coherent paragraph. A. Foodborne Botulism is due to the preformed toxin in food contaminated with Clostridium botulinum, the human variety caused by types A, B, E B. Botulism is of three types- foodborne, infant and wound botulism. C. The source is usually various preserved foods- meat, fish, etc which exhibit signs of spoilage due to which often the storage cans may be inflated and may display bubbles on opening. D. Clostridium botulinum is non-invasive and its pathogenicity is due to the action of preformed toxin, the manifestations of which are collectively called botulism.
Find the bending stress to which a screw of nominal diameter 22mm is subjected when the clamp exerts a force of 5kN acts on it. The screw is double threaded and pitch of screw is 5mm.Given: Coefficient of friction is 0.15.It is assumed operator exerts a force of 250N at the handle of length 275mm.
The Bt toxin does not kill the Bacillus because the Bt toxin protein exist as inactive ________
Which type of toxin is tetanus toxin?
Which of the following constitutes patentable subject matter?
1. A toxin-where such toxin is found on the skin of a previously unknown tree frog of the Amazon basin, which, when administered to patients with a certain cell cancer, causes a substantial reduction in the number of cancerous cells.
2. An idea-where such idea is that there is a mathematical relation among (i) the exposure time of a tumor to a specified alpha-radiation emitting source, (ii) the size of the tumor in cubic centimeters, and (iii) the success rate of the procedure as determined by survival rate at five years
3. Kidney cells-where such cells are found in a certain variety of wild pigs
4. A new laparoscopic surgical technique-where such technique bears improved results in patient cure
Select the correct answer:
Cholera toxin is not a/an _________
How many B subunits are present in cholera toxin?
Which of the following statement is wrong regarding the effects of cholera toxin?