Multiple choice

The microorganism capable of producing paralytic shellfish poisoning is which of the following?

  1. Alexandrium

  2. Gymnodinium

  3. Noctiluca scintillans

  4. Pfiesteria

  5. Symbiodinium
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A Correct answer
Explanation

Alexandrium is a genus of dinoflagellates, with many species related to toxin production leading to Paralytic shellfish poisoning. The dinoflagellate cysts produced by this species are considered much more toxic than swimming cells.

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