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What type of channel does sodium and potassium use to diffuse across the plasma membrane of all cells?
Wiki User
∙ 11y ago
voltage type of channel
Wiki User
∙ 11y ago
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Why can oxygen diffuse across a cell membrane but a protein can?
Its too large
What is the role of ATP in sodium-potassium pump?
transport across the membrane
Why can oxygen diffuse across a cell membrane but a protein can't?
Oxygen is much smaller than a protein
In osmosis which membrane provides net movement of water without movement of NaCl?
Osmosis across a selectively permeable membrane allows water across but disallows other particles across the membrane.
What happen to the perfume after 15 minutes?
The particles will diffuse and eventually spread across the room.
How plasma membrane diffuse across plasma membrane?
Ions can't diffuse across membranes, they must used channels to transport across
What kinds of molecules freely diffuse across a semipermeable membrane?
Water molecules freely diffuse across a semipermeable membrane.
Can oxygen diffuse across a cell membrane?
Yes, how else would our cells obtain oxygen?
How do you use diffuse in sentence?
Oxygen molecules diffuse across the membrane.
What is the membrane said to be if a substance is able to diffuse across a membrane?
selectively permeable
If a substance is able to diffuse across a membrane then the membrane is said to be what?
selectively permeable
Gases diffuse most efficiently across a respiratory membrane if the membrane is?
Thick and moist
If a substance is unable to diffuse across a membrane we say the membrane is?
osmotically active
What are 2 substances that diffuse freely across a cell membrane?
CO2, H2O, and O2 can all diffuse across a cell membrane. Also, small polar molecules (uncharged) and hydrocarbons easily diffuse across.
Ions diffuse across membranes down their what?
Its an active transport and use sodium channel generally _____ Diffusion is itself a pathway of travel across a cell membrane. Diffusion can be "simple diffusion" which is simply an ion moving across the membrane anywhere, or "fascilitated diffusion", where an ion moves across the membrane in a specific channel. Either way, diffusion involves the movement of that ion along its concentration gradient and requires no energy. Active transport is not the same as diffusion. Active transport requires energy.
What substance is most likely to passively diffuse across the plasma membrane by dissolving in the membrane?
Lipid-soluble molecules such as O2 and CO2 diffuse freely through the plasma membrane.
Why can oxygen diffuse across a cell membrane but a protein?
Its too large
