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Biology Chapter 4

QuestionAnswer
Transporting a substance across the cell membrane against the concentraition graidient Active Transport
Mechanism that constantly moves 3 Na+ ions out and 2 K- ions into the cell Sodium Potassium Pump
The movement of a substance to the outside of the cell using a vesicle Exocytosis
A protien emmbedded in the plasma membrane that binds to a specific molecule, Enabling the cell to resopond to the signal molecule Receptor Protiens
THe movement of a substance into the cell using a vesicle Endocytosis
The energy molecule ATP
Water flows into the cell in this type of solution Hypotonic
The movement of substances froma n area of high concentraition to an area of low concentration by the random motion of particles Diffusion
The Movement of water through a semipermiable membrane Osmosis
Created by: 5singers
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