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Facilitated diffusion moves molecules through cell membranes passively.

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What role do carrier protein play in facilitated diffusion?

it moves large molecules or molecules that are not soluble in lipids across across the cell membrane. (Pg. 101 in science book...1st para.)


Does osmosis move phospholipid bilayer or protein channel?

Osmosis moves water molecules across the phospholipid bilayer of a cell membrane. Protein channels help facilitate the movement of water and other molecules by providing a pathway through the membrane.


What is the difference between diffusion and facilitated diffusion in terms of the movement of molecules across a cell membrane?

Diffusion is the movement of molecules across a cell membrane from an area of high concentration to low concentration without the need for a protein. Facilitated diffusion also moves molecules from high to low concentration, but requires a specific protein to help them pass through the membrane.


What moves products through a cell membrane?

Diffusion, facilitated diffusion, Osmosis and Active Transport. Diffusion moves non-polar molecules across the cell membrane down a concentration gradient. Osmosis moves water across the cell membrane through a channel formed by aquaporins called a protein channel, down the water potential gradient. Active moves the non-polar molecules against the concentration gradient, in contrast to diffusion. Lastly, facilitated diffusion moves polar molecules across the cell membrane through creating protein channels in the cell membrane from specific proteins. ETC, glucose transporters bind to form a protein channel for glucose to diffuse through, after which the proteins disperse. That should be all, hope it was of help!


What is something called that moves a substance into and out of a cell in facilitated diffusion called?

A membrane protein known as a transporter or carrier protein moves substances into and out of cells in facilitated diffusion. These proteins are specifically designed to bind to certain molecules and transport them across the cell membrane.


What molecule moves across the membrane During osmosis?

Water molecules move across the membrane during osmosis. Osmosis is the movement of water molecules from an area of lower solute concentration to an area of higher solute concentration across a semi-permeable membrane.


What is is when a molecule moves across a membrane through a protein channel without using energy?

Passive Transport


What is it when water moves across a cell membrane?

When water moves across a cell membrane, it is called osmosis. Osmosis is the passive movement of water molecules from an area of higher concentration to an area of lower concentration through a selectively permeable membrane.


What is it called when molecule moves across a membrane through a protein channel without using energy?

Passive Transport


What is it called when a molecule moves across a membrane through a protein channel without using energy '?

Passive Transport


What is it called a molecule moves across a membrane through a protein channel without using energy?

Passive Transport


Is diffusion of molecules across the cell membrane the most complex type of active?

Diffusion of molecules across the cell membrane is actually a passive process, not active. Active transport, which requires energy in the form of ATP, is a more complex process as it moves molecules against their concentration gradient.