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Science Bowl Question

📅 MIT Science Bowl 2021🎓 HS🔄 Round 3#️⃣ Question 19🌟 BONUS📝 Multiple Choice

Which of the following best explains the reason why action potentials only proceed in one direction?

W) The region behind the action potential has its sodium channels closed
X) The region behind the action potential has its sodium channels open
Y) The region behind the action potential has its potassium channels closed
Z) The region behind the action potential has its potassium channels open
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