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Yes, ions can diffuse through a membrane.

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6mo ago

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Where do ions diffuse across membrane to specific ion channels?

Ions diffuse across the membrane through specific ion channels that are embedded in the cell membrane. These ion channels are selective, allowing only specific ions to pass through based on size, charge, and other factors. The movement of ions through these channels is facilitated by a combination of concentration gradients and electrochemical forces.


Which substances did not diffuse the membrane?

starch doesnt diffuse through the dialysis membrane.


Why sodium and hydrogen ions do not diffuse at the same rate?

Sodium and hydrogen ions have different molecular sizes and charges, affecting their diffusion rates through cell membranes. Sodium ions are larger and carry a positive charge, while hydrogen ions are smaller and uncharged. This leads to differences in how they interact with the membrane proteins and pores, influencing their ability to diffuse across the membrane.


How plasma membrane diffuse across plasma membrane?

Ions can't diffuse across membranes, they must used channels to transport across


Why don't ions pass through cell membran?

Only small and uncharged particles can pass through the nonpolar part of the membrane interior. Ions are charged and won't pass through a membrane by passive diffusion. Certain ions do pass through membranes by other mechanisms, though.


How do the hydrogen ions diffuse back?

Hydrogen ions diffuse back through the ATP synthase protein complex located on the inner mitochondrial membrane. This process harnesses the energy from the electrochemical gradient to produce ATP.


What is the main reason Na and K ions CANNOT easily diffuse through plasma membranes?

Na and K ions cannot easily diffuse through plasma membranes because the phospholipid bilayer is hydrophobic, creating a barrier to the movement of ions, which are hydrophilic. Additionally, the presence of ion channels and pumps in the membrane regulates the movement of Na and K ions in and out of the cell through specific mechanisms.


Which substance did not diffused through the membrane?

starch doesnt diffuse through the dialysis membrane.


What will not diffuse through the cell membrane?

Glucose


Period during which potassium ions diffuse out of the neuron's membrane?

sodium-potassium pump


Which molecule would be unable to diffuse through a cell membrane?

A molecule that is too large or charged would be unable to diffuse through a cell membrane.


Why cant polar molecules and ions diffuse across the cell membrane?

Ions cannot diffuse through a phospholipid bilayer because they are not able to dissolve in lipids, hence the phosphoLIPID bilayer . Also, since they have an electrical charge, they are repelled by the membrane.