Neuron and Action Potential
Flashcard
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an electrical impulse within a single neuron called?
Back
Action potential.
2.
FLASHCARD QUESTION
Front
What occurs during depolarization in a neuron?
Back
The inside of the neuron becomes less negatively charged compared to the outside.
3.
FLASHCARD QUESTION
Front
What is the charge of a neuron at rest (polarized)?
Back
The inside of the neuron is negatively charged compared to the outside.
4.
FLASHCARD QUESTION
Front
Which transport mechanism is used by the sodium-potassium pump?
Back
Active transport.
5.
FLASHCARD QUESTION
Front
What maintains the resting membrane potential in a neuron?
Back
Sodium-potassium pumps.
6.
FLASHCARD QUESTION
Front
What is the role of sodium channels in a neuron?
Back
They allow sodium ions to flow into the neuron during depolarization.
7.
FLASHCARD QUESTION
Front
What is the role of potassium channels in a neuron?
Back
They allow potassium ions to flow out of the neuron, helping to repolarize it.
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