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PRESENTATION OUTLINE

HOW DO POISON FROGS NOT POISON THEMSELVES

EPIBATIDINE

  • A neurotoxin
  • That paralyses in small doses
  • In large amounts will cause death (your lungs to stop working )

acetylcholine

  • A neurotransmitter that controls muscle
  • Binds to acetylcholine receptors
  • Is replaced by epibatidine causing paralysis

WHERE DOES EPIBATIDINE COME FROM

  • frogs get edibatidine by recycling some toxic materials in their diet.

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  • The poison frogs change the acetylcholine receptors shape by moving amino acids so that epibatidine can not bond
  • This should affect the way the acetylcholine receptors react to acetylcholine
  • But It does not
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  • and extra changes have made up for any affects of the anti-toxin changes
  • In return the change made it harder for acetylcholine to attach
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  • Could this Information help in medical hospitals or tranquilizing animals

CITATIONS

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