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QCM 4 : Concernant la neurotransmission, quelles sont les affirmations exactes ? A. Le GABA et le glutamate sont des neurotransmetteurs excitateurs. B. L'exocytose des vésicules synaptiques est déclenchée par l'entrée de calcium dans le bouton synaptique. C. La NorAdrénaline est une substance neuromodulatrice. D. Un même neurotransmetteur peut se fixer sur des récepteurs canaux et des récepteurs couplés aux protéines G. E. La fixation du neurotransmetteur sur un récepteur couplé à la protéine G va entraîner une réponse très rapide.

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