Answer: This bacterium can survive passage through the acidic conditions of the stomach. Inside the small intestine, V. cholerae attaches to the intestinal wall and starts producing cholera toxin. The toxin enters intestinal cells, causing them to release water and ions, including sodium and chloride ions.
Answer: a
Explanation: because even if it was mixed it was still able to be removed by the magnet
<span>Herpesviridae is a large family of DNA viruses that cause diseases in animals, including humans.
When a person infected once, his immune system develops antidot against the virus, so he becomes immune for that virus for rest of his life. In other words, he can't be affected from that virus again
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I agree to this statement. This is because one organism benefits the interaction and the other organism is neither harm or benefited. This is called as commensalism because human befits from the gray wolf population but they are neither benefited nor harm.