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I. Scenario: A Sick Child in Nigeria
A. The childII. How does a normal neuromuscular junction work?
B. How can the poisonous antidote save the child’s life?
C. What is calabar bean and what is its history?
D. How does physostigmine work?
A. The players and an overviewIII. Antidote
B. What is the nature of the electrical signal?
C. How does a cell secrete signals?
D. So what about the child who has eaten the calabar bean? How could something change normal signaling and muscle contraction?
A. How might the antidote work to counteract what goes on in the synapse after exposure?IV. How do plants and animals use chemical defenses?
B. Why and how does atropine, the antidote, work?
A. Calabar bean
B. Chondrodendron tomentosum
C. Poison arrow frogs
D. Puffer fish
E. How do arrow poisons work?
F. Why are chemical agents like these an advantage for plants and animals?
G. What uses do we have for chemical agents such as these?