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CellActiveTransport

Types of cell transportation

QuestionAnswer
How much energy is needed? a lot.
Alot of energy is needed because the movement of molecules go to an area of lower concentration to higher.
In Exocytosis,What do vesicles in the cell membrane do in order to expel substance to the outside of the cell? fuse with the cell membrane to realease their contents.
Why is Exocytosis needed? To realses molecules and proteins.
Endocytosis helps move large... molecules inside the cell
How does endocytosis work? Cells ingest substances and a pouch pinches of from the cell membrane and vesicles fuse with thelysosomes to be digested.
Pinocytosis involves the tranprt of solutes or fluids
Phagocytosis involves the movement of large particles or whole cells
How does ATP help make the Sodium pump work? When ATP splits, they provide the energy.
Why is sodium potassium pump necessary? Animal cells need their concnetration differences to be maintained.
briefly summerize the mechanism or model of action for a carrier protein when forcing solutes against the concentration gradient The protien carries 3 NA+ ions across the membrane and realeases them outstide the cell. The carrier then binds 2 K+ ions oustide te cell, The carrier then changes in shape and releases the k+ ions inside the cell.
Created by: Rachaelstudy
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