Asked by Kethan srinivasan on Jul 27, 2024
Verified
At rest, a neuron has a high concentration of ____ inside the cell and a high concentration of ____ outside the cell.
A) acetylcholine; chlorine
B) sodium; potassium
C) potassium; sodium
D) calcium; phosphorus
E) phosphorus; calcium
Neuron
Specialized signaling cell in nervous tissue; transmits electrical signals along its plasma membrane and sends chemical messages to other cells via its endings.
Sodium
A soft, silvery-white, highly reactive metallic element, essential for numerous biological processes in animals and humans, particularly in nerve and muscle function.
Potassium
A chemical element with the symbol K, essential for many processes in organisms, especially in nerve function.
- Comprehend the mechanism of action potential.
Verified Answer
AN
Allie NorrisJul 28, 2024
Final Answer :
C
Explanation :
At rest, neurons have a high concentration of potassium (K+) inside the cell and a high concentration of sodium (Na+) outside the cell. This creates an electrochemical gradient, which contributes to the resting membrane potential of the neuron.
Learning Objectives
- Comprehend the mechanism of action potential.