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15 Cards in this Set
- Front
- Back
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Fluid Mosaic Model |
A model that best describes the cell membrane |
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Channel Proteins |
Form small openings for molecules to diffuse through |
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Carrier Proteins |
Binding site on protein surface "grabs" certainmolecules and pulls them into the cell |
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Receptor Proteins |
Molecular triggers that set off cell responses |
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Cell Recognition Proteins |
ID tags, to idenitfy cells to the body's immune system |
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Enzymatic Proteins |
Carry out metabolic reactions |
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Semipermeable |
Selectivelychooses what can cross into or out of the cell |
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Active Transport |
Energy is required to move particles across themembrane from lower to higher concentration |
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Endocytosis |
Taking substances into the cell |
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Exocytosis |
Pushing substances out of the cell, such asthe removal of waste |
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Passive Transport |
No energy is required to move particles acrossthe membrane from higher to lower concentration |
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Simple Diffusion |
Water, oxygen and other molecules movefrom areas of high concentration to areas of lowconcentration, down a concentration gradient |
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Facilitation Diffusion |
Diffusion that is assisted by proteins |
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Osmosis |
Diffusion of water |
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Hydrophilic |
Likes water |
