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Water can cross cell membranes through both channel-mediated diffusion and simple diffusion. While aquaporins, specialized water channels, facilitate rapid water transport, water molecules can also passively diffuse through the lipid bilayer, albeit at a slower rate. Thus, while channel-mediated diffusion is a significant route for water movement, it is not the only one.
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What does osmosis have to do with cell membranes?
Osmosis is the water molecules diffusion across the cell membranes. More informations can be find at en.wikipedia.org/wiki/Diffusion
Water crosses plasma membranes through specialized channels?
Water crosses plasma membranes through specialized channels called diffusion and concentrated gradient.
Which of the following processes cause substances to move across membranes and doesent require energy ATP?
diffusion or osmosis (diffusion of water)
What channels does water cross plasma membranes?
Aquaporins.
Are aquaporins involved in osmosis or facilitated diffusion?
Aquaporins are involved in osmosis by facilitating the movement of water molecules across cell membranes. They do not participate in facilitated diffusion, which involves the transport of solutes across membranes with the help of carrier proteins.
What does osmosis have to do with cell membranes?
Osmosis is the water molecules diffusion across the cell membranes. More informations can be find at en.wikipedia.org/wiki/Diffusion
What substance can pass though cell membranes by diffusion?
water
Water crosses plasma membranes through specialized channels?
Water crosses plasma membranes through specialized channels called diffusion and concentrated gradient.
What allows water to pass through?
water can pass through cell membranes by osmosis- similar to diffusion
What channels does water cross plasma membranes?
Aquaporins.
Which of the following processes cause substances to move across membranes and doesent require energy ATP?
diffusion or osmosis (diffusion of water)
Are aquaporins involved in osmosis or facilitated diffusion?
Aquaporins are involved in osmosis by facilitating the movement of water molecules across cell membranes. They do not participate in facilitated diffusion, which involves the transport of solutes across membranes with the help of carrier proteins.
What is the process where in the diffusion of water cross a cell membrane?
Osmosis
What organic molecule in cell membranes that permits the diffusion of lipid-soluble materials?
Phospholipids are the organic molecules in cell membranes that permit the diffusion of lipid-soluble materials. They have a hydrophobic tail that repels water and a hydrophilic head that interacts with water, creating a bilayer structure that allows for the passage of lipid-soluble molecules.
Can water cross the lipid bilayer?
Yes, water can cross the lipid bilayer through a process called simple diffusion.
Is osmosis a form of diffusion?
Yes, osmosis is a specific type of diffusion in which water molecules move across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
What can move across the plasma membrane freely by diffusion without the help of a transmembrane protein?
Water and small, non-polar molecules can cross the membrane without transport proteins. The process of this automatic movement is called diffusion; the diffusion of water specifically is called osmosis.
