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Answered 2011-02-05 01:47:07

Carrier proteins can use active or passive transport depending on what type of carrier protein it is (meaning what the protein transports). The form of passive transport that they use is facilitated diffusion.

An example of active transport is the Sodium Potassium pump. Active transport requires ATP.

Facilitated diffusion is used to transport polar molecules and ions that cannot directly cross the cell membrane. Facilitated diffusion doesn't require energy.

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Active transport requires energy, unlike passive transport. The carrier proteins in active transport act as a "pump" ( fueled by ATP) to carry/attach themselfves to useful proteins for the cell.


Proteins that carry out passive transport include channel proteins and carrier proteins. Passive transport is "passive" because it does not use energy. The use of passive transport is also called "facilitated diffusion." Proteins that carry out passive transport includes the proton pump and the sodium-potassium pump; these require energy to function.



It can be either. A carrier pigeon is active whereas a malaria mosquito is passive.


Transport by a protein carrier molecule is a form of active transport.


Active transport involves carrier proteins. Carrier proteins bind themselves to particles and transport them to highly concentrated areas within a cell.Facilitated diffusion and active transport require carrier proteins.


Proteins used in active transport are called carrier proteins.


Actually, bilipid "heads" form the layers of the membrane, but there are carrier proteins that transport objects into and out of the cells. These carrier proteins use either active or passive transport to get objects across the membrane. Active transport uses energy, while passive transport doesn't need to use energy to get items across. Hope this helps!!!


They are used in both, in passive the molecules move in , then change the shape then leave and the entering and leaving are both by diffusion. in active transport molecules move in by diffusion, change the shape of the carrier protein, then because theyre moving into the cell where the molecule is in higher concentration energy is required to push the molecules out of the carrier proteins, this energy comes from ATP which is supplied to the carrier proteins.


Active Diffusion uses carrier proteins; Passive Diffusion does not.


Nope. Facilitated diffusion is a passive transport. It uses carrier proteins, but doesn't require any energy.


Carrier proteins of the cell membrane transport substances down their concentration gradient out of or into the cell by facilitated diffusion and active transport.


Active Passive just happens if something needs to be carried then its being acted on... active... active needs energy to


Yes, active transport requires carrier proteins in order to function. These require ATP to carry things in and out of the cell.


The carrier proteins in active transport act as a "pump" to carry/attach themselves to useful proteins for the cell. Called ATP


no, but active transport on the other hand, does require transport proteins to transport the large molecules into the cell.


facillitated diffusion and active transport


The carrier proteins that serve in active transport are often called cell membrane "pumps" because they move substances up their concentration gradients.


Yes, active transport involves proteins transporting substances against their concentration gradient with the help of ATP.


yes. its either called active or passive transport


facilitated diffusion and active transport


Passive transport and active transport are transport of materials across membranes. Passive requires no energy, while active does.


No; they are involved in endocytosis and active transport.


Active of course. The carrier protein requires energy from the ATP in the form of a phosphate to open outward to dispel materials, then reverts back to it's original position to close and move materials inside.



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