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it isnt, it is less negative!

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During an action potential hyperpolarization beyond more negative to the resting membrane potential is primarily due to?

Potential hyperpolarization are more negative to the resting membrane potential because of voltage. This is taught in biology.


If a resting potential becomes more negative what happens to the cell?

When the membrane potential becomes more negative it is being hyperpolarized. Remember the resting membrane potential is already at a negative state (~70mV). So if you are making a comparison of a membrane potential that is hyperpolarized in comparison to a resting membrane potential, the resting membrane potential is said to be more depolarized.When the membrane potential becomes more positive it is called depolarization.


_____ is the process by which the neuron regains its negative resting membrane potential?

Repolarization


How does potassium affect the resting membrane potential of the cardiac cell?

Potassium plays a crucial role in maintaining the resting membrane potential of cardiac cells. It helps establish the negative charge inside the cell by moving out of the cell through potassium channels. This outward movement of potassium ions contributes to the polarization of the cell membrane, creating a negative resting membrane potential.


What is a resting motor neuron expected to do?

exhibit a resting potential that is more negative than the "threshold" potential


A resting motor neuron is expected to?

exhibit a resting potential that is more negative than the "threshold" potential.


Why is the resting potential value of a membrane negative?

The resting membrane potential is the difference between the inside of the cell relative to the outside. The outside is always taken as 0mv. The resting membrane potential is negative because there is a higher concentration of potassium ions outside the cell (because the membrane is more permeable to potassium ions) than inside. Since potassium ions are positively charged this leads to a negative value.


Electrical charge resulting from the difference between positive and negative ions outside and inside the brain cell membrane is called?

This electrical charge is called the resting membrane potential. It is generated by the unequal distribution of ions such as sodium, potassium, chloride, and calcium inside and outside the cell. The resting membrane potential plays a crucial role in cell communication and proper functioning of the nervous system.


What effect did increasing the extracellular potassium have on the resting membrane potential?

Increasing the extracellular potassium concentration can depolarize the resting membrane potential, making it less negative. This can lead to increased excitability of the cell.


Why is the resting membrane potential negative in cells?

The resting membrane potential in cells is negative because of the unequal distribution of ions across the cell membrane, particularly the higher concentration of negatively charged ions inside the cell compared to outside. This creates an electrical gradient that results in a negative charge inside the cell at rest.


How is the resting potential different from repolarization?

The resting potential is the stable membrane potential of a cell at rest, typically around -70mV. Repolarization refers to the return of the membrane potential to its resting value after depolarization, where the cell becomes more negative again due to potassium channels opening.


Why is the resting membrane potential negatively charged?

The resting membrane potential is negatively charged because of the unequal distribution of ions across the cell membrane, with more negative ions inside the cell than outside. This creates an electrical gradient that results in a negative charge inside the cell at rest.