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15 Mar 2019

Who is Dr. Pangloss? Tell me how Dr. Pangloss would describe the function and evolution of feathers.

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Sixta Kovacek
Sixta KovacekLv2
17 Mar 2019

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Please read the case study, Bad Fish, to prepare for thisDiscussion Question.

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  1. What were Dr. Westwoods symptoms?
  2. What was the mechanism of action of the tetrodotoxin and howdid that cause his symptoms?

In part II of the case study, Dr. Westwood has some similarsymptoms when handling a pitohui songbird from Papua New Guinea.Using the information in this section of the case study, answer thefollowing questions:

  1. What were Dr. Westwoods symptoms? Compare and contrast hissymptoms with those he experienced with the pufferfish.
  2. The active ingredient in the pitohui feathers was similar tobactrachotoxin. What is the mechanism of action of this toxin?
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Please read the case study, Bad Fish, to prepare for thisDiscussion Question.

In part I of the case study, Dr. Westwood becomes ill after ameal of pufferfish. Answer the following questions based on yourunderstanding of material in this section.

  1. What were Dr. Westwoods symptoms?
  2. What was the mechanism of action of the tetrodotoxin and howdid that cause his symptoms?

In part II of the case study, Dr. Westwood has some similarsymptoms when handling a pitohui songbird from Papua New Guinea.Using the information in this section of the case study, answer thefollowing questions:

  1. What were Dr. Westwoods symptoms? Compare and contrast hissymptoms with those he experienced with the pufferfish.
  2. The active ingredient in the pitohui feathers was similar tobactrachotoxin. What is the mechanism of action of this toxin?
  3. Compare and contrast the mechanisms of action of tetradotoxinand bactrachotoxin.

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