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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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cell membrane
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border of cell that gives a cell its identity and contains most activity.
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maintains homeostasis
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phospholipids
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head with two tails
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phosphuras and fat
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polar head
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attracts water and bonds with it on the outisde and inside wal of the cell membrane
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polar bear
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nonpolar tails
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repel water pushed towards center of cell membrain
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non polar interior zone
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lipid bilayer
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two layers of phospholipids form by pushing and pulling of polar heads and non tails due to their reaction wtih water
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basic structure of cell membrane 2 layers
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cell surface proteins
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proteins that penetrate lipid bilayer providing passageways for substances to enter and leave the cell.
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glucose enters
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channel proteins
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"gates to the cell" transports food in and wastes out
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gates
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receptor proteins
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the informers of cell that gather information about cells surroundings. This is where hormones act.
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recieve
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marker proteins
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id tags of cell that identify themselves from other cells inside and outside of the body
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id tags
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passive transport
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movement of substance across cell membrane with no enery high to low concentration
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downhill
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diffusion
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movement of particles from high to low concentration until equilibrium reached
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osmosis
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diffusion of water across cell membrane from high to low concentration until isotonic envirnment is reached
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facilitated diffusion
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movement of high and low conentration but now using proteins channels unlike other two that can pass right through the lipids
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glucose
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active transport
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movement low to high requires enery from cell because its going towards higher concentration.
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uphill battle
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endocytosis is a type of what transport
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active
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endocytosis
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process where food molecules too big to enter through protenin channels engulf into cell by vesticles
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q
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2 types of endocytosis are
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pino and phago
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pinocytosis
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intake of liquid molecules into cell using vesticles in cell membrane
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pina colada
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phagocytosis
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process where organic matter like toher cells are brough to cell and devowered
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white blood cells destroying bacteria
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exocytosis
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dumping of matterials outside the cell
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endocytosis
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process where food molecules too big to enter through protenin channels engulf into cell by vesticles
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q
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2 types of endocytosis are
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pino and phago
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pinocytosis
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intake of liquid molecules into cell using vesticles in cell membrane
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pina colada
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phagocytosis
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process where organic matter like toher cells are brough to cell and devowered
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white blood cells destroying bacteria
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exocytosis
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dumping of matterials outside the cell
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