Test your knowledge on the deadly mushroom toxin, Amanita Phalloides, and its in...
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Questions and Answers

What is the name of the mushroom that contains a toxin that inhibits mRNA synthesis?

  • Amanita Muscaria
  • Psilocybe Cubensis
  • Amanita Phalloides (correct)
  • Agaricus Bisporus
  • What is the name of the toxin found in Amanita Phalloides that inhibits RNA Pol II?

  • ibotenic acid
  • a-amanitin (correct)
  • muscarine
  • psilocybin
  • What does a-amanitin do once it binds to RNA Pol II?

  • Activates it
  • Transcribes it
  • Inactivates it (correct)
  • Destroys it
  • Is the complex formed between a-amanitin and RNA Pol II reversible?

    <p>No, it is irreversible</p> Signup and view all the answers

    What are the symptoms caused by ingestion of Amanita Phalloides?

    <p>GI disturbances, electrolyte imbalance, fever, liver and kidney dysfunction</p> Signup and view all the answers

    What is the mechanism of action of a-amanitin?

    <p>Inhibits mRNA synthesis by forming a complex with RNA Pol II</p> Signup and view all the answers

    Can ingestion of Amanita Phalloides lead to death?

    <p>Yes, in 50-90% of cases within a few days</p> Signup and view all the answers

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