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What uses carrier proteins to transport molecules across a semi-permeable membrane?
Wiki User
∙ 11y ago
Carrier proteins in a cell surface (plasma) membrane will carry specific molecules or molecular ions (by facilitated diffusion) through that connot diffuse through the membrane accross a concentration gradient. their are many different types of protein carriers in different cells around the body. in the nephron of a kidney, in the PCT, the cells that line this part of the tubule contain co-transporter proteins that allow facilitated diffusion for both Na+ ions and Glucose to enter at the same time. there are also similar carrier proteins here for Na+ and amino acids. i could keep going but i would be here for a while, they all work differently but if your looking for the mechanism. mostly its by facilitated diffusion, some are just diffusion, actively transported, pumped or osmosis. but you must be specific as to what type of carrier protein is transporting what material.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoactive transport...
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What biomolecule helps transport molecules across the membrane?
proteins
What are the parts of the membrane help large molecules pass through it?
Globular proteins.
What type of molecules embebbed in the plasma membrane allows molecules to pass through the membrane by active or passive transport?
proteins
Molecules that permeate a plasma membrane by facilitated diffusion is what?
requires the aid of transport proteins
Why do cells need to use transport proteins function?
Some molecules are too large to pass through the cell membrane without transport proteins.
What biomolecule helps transport molecules across the membrane?
proteins
What are the protein molecules in a cell membrane that assist in cell transport?
Protein molecules are responsible for membrane transport. In passive transport diffusion is the phenomenon in which molecules flow naturally from areas of high concentration to lower concentrations.
What do the channel proteins in the cell membrane do?
Channel proteins, a type of transport proteins to the cells, move molecules from outside of the membrane to the inside
How do carriers proteins facilitate passive transport of molecules across a membrane?
Carrier proteins facilitate passive transport of molecules across a membrane by changing its shape, by using ATP, to allow a substance to pass through the membrane.
How do transport proteins make make it easier for certain molecules to diffuse across a membrane?
Facilitated diffusion is the diffusion of molecules.across a membrane through transport proteins. Transport proteins make it easier for molecules to enter or exit acell. But the process is still a form of passive transport.
What are the parts of the membrane help large molecules pass through it?
Globular proteins.
What type of molecules embebbed in the plasma membrane allows molecules to pass through the membrane by active or passive transport?
proteins
What is the membrane that surrounds the cells?
this is the cell membrane made primarily of lipid molecules with proteins incorporated into it that aid in transport of molecules across the membrane
How do transport proteins work?
They are used in Facilitated Diffusion, helping to transport ions, macromolecules, and other substances incapable of entering a cell by themselves to cross through the plasma membrane of the cell.
What are function of membrane proteins?
Membrane proteins have a variety of functions. They relay signals between the cell's inside and outside environments. Transport proteins move the molecules across the membrane.
Why do cell need transport proteins to functions?
Some molecules are too large to pass through the cell membrane without transport proteins.
Why do cells to use transport proteins to function?
Some molecules are too large to pass through the cell membrane without transport proteins.
