D Question 11 0.5 p 11. Which of the following is NOT necessary to satisfy Koch\

Question

D Question 11 0.5 p 11. Which of the following is NOT necessary to satisfy Koch's postulates? The organism must cause disease through toxin production. O The organism must be present in every case of the disease. The organism must be grown in pure culture outside the diseased host. The organism must be re-isolated from the experimentally infected diseased animal and shown to be identical to the original isolate. O The organism must cause the disease when introduced from pure culture into a healthy host. 0.5 pts DQuestion 12 12. An organism is found in a deep-sea vent where the temperature sr heh n the minera wall but no peptidoglycan. This unusual. The organism is unicellular, has no apparent nucleus, and has a cell

Explanation / Answer

1st option is the correct answer: The organism must cause the disease through toxin production.

Koch's postulates are total 4 in number. The all other 4 options are Koch's postulates for determining the cause of disease. The first option was never discussed in Koch's postulates that organism must cause the disease by toxin production

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