What would happen to the resting potential if you blocked the sodium-potassium pump?

Blocking the (Na+ -K+) pump This answer is CORRECT! Blocking the sodium potassium pump leads to a gradual influx of sodium into the cell, and efflux of potassium out of the cell. These changes in concentration lead to a change in the equilibrium potential for potassium, as well as for sodium.

What is the function of the Na +/ K+ pump?

also known as the Na+/K+ pump or Na+/K+-ATPase, this is a protein pump found in the cell membrane of neurons (and other animal cells). It acts to transport sodium and potassium ions across the cell membrane in a ratio of 3 sodium ions out for every 2 potassium ions brought in.

How does sodium-potassium pump control cell volume?

The sodium-potassium pump system moves sodium and potassium ions against large concentration gradients. It moves two potassium ions into the cell where potassium levels are high, and pumps three sodium ions out of the cell and into the extracellular fluid. It helps maintain cell potential and regulates cellular volume.

What would happen to a cell if its sodium and potassium pumps failed to work at the end of an action potential?

Explanation: The NaK pump is a specialised transport protein found in the cell membranes. It is responsible for movement of potassium ions into the cell while simultaneously moving sodium ions outside the cell. Thus cell functioning would be drastically affected if due to some reason the NaK pump is destroyed.

What would happen to a cell if this pump suddenly stopped working?

What would happen to a cell if this pump suddenly stopped working? Possible Answers: The environment would become hypotonic and the cell would shrivel.

Can sodium potassium pump work in reverse?

Under conditions of reduced intracellular [Na+] and [ATP], both to values below 1 mM, and in extracellularly K+-free medium, the Na+/K+ pump seems to operate in a reversed mode pumping Na+ into the cell and K+ out of the cell.

What would happen if one of the cell components stopped working correctly?

If one part of the cell doesn’t do its job, then it affects the rest. If the nucleus didn’t exist, the cell wouldn’t have direction and the nucleolus, which is inside the nucleus, wouldn’t be able to produce ribosomes. If the cell membrane were gone, the cell would be uprotected.

Does aquaporin change shape?

A water-transporting pore (=aquaporin:AQP) has been identified in the beet armyworm, Spodoptera exigua. These results indicate that Se-AQP plays a crucial role in cell shape change that is required for cellular immunity and other physiological processes.

What would happen if a cell has no aquaporins?

If aquaporins allowed ions through their channels, all ion concentration gradients across the cell membrane would approach zero (i.e., all ions would be in equilibrium with themselves) and therefore the cells would not be able to perform many of the critical functions that depend on the concentration gradient of …

Is sodium-potassium pump active or passive?

active transport
The sodium-potassium pump carries out a form of active transport—that is, its pumping of ions against their gradients requires the addition of energy from an outside source.