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Related Flashcards
Cards In This Set
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Active transport does/does not use energy?
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Does use energy
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Facilitated diffusion means that the molecule is assited across the membrane by a transport _____?
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Protein
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When particles move from hight concentration to a low concentration this is known as?
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Diffusion
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I f a red blood cell is put in a hypertonic solution it will?
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Shrink
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What are 3 main ways of passive transport?
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Facilitated diffusion
Diffusion
Osmosis
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If a red blood cell is put in a hypotonic solution it will?
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Burst
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Passive tansport does/ does not use energy?
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Does not use energy
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If a red blood cell is put in isotonic solution it will?
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Stay the same
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What is ATP and what does it do?
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Adensine Triphosphate
Its not the energy itself but teporary stores energy in its phophodiester bonds.
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What is exocytosis?
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The process by which particulate waste is expelled from a cell.
Membrane surrounding the material fuses witht he membrane.
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What does hydrophilic mean
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Means water liking. The heaps on the bi-layer cell membrane.
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What does hydrophobic mean?
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Water hating. The tails on the bi-layer of the cell membrane.
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What does selectively permeble mean?
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Allows some molecules in and keeps some molecules out.
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What is active transport/
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Movement of substance across a cell membrane, up the concentration gradent, and requires energy.
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What is passive transport?
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When a substance can cross the semipermeble plasma and organelle membranes and move down he concentration gradient without using energy.
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