Term
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Definition
| polar (hydrophilic) head and nonpolar (hydrophobic) tails |
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Term
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Definition
| polar heads face fluid and nonpolar tails face each other, creating the basis for membranes |
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Term
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Definition
| always in membrane, creates rigidity |
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Term
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Definition
| can be embedded in membrane |
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Term
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Definition
| identify the cell, often are on external of cell |
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Term
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Definition
| ability for certain things to go through the membrane |
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Term
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Definition
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Term
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Definition
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Term
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Definition
1.direct
2.channel mediated
3.Active carrier mediated
4.Passive carrier mediated
5.vesicular |
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Term
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Definition
| direct transport, creating an equal concentration gradient, small lipids and gases move from high to low |
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Term
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Definition
| diffusion of water from high to low (direct transport) |
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Term
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Definition
| concentration is equal inside and outside of cell |
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Term
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Definition
| concentration is greater outside cell than in, water moves in, cell swells |
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Term
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Definition
| concentration is greater inside cell than out, water moves out, cell crenates. |
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Term
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Definition
| active, needs energy! ignores concentration gradients |
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Term
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Definition
packages things in vesicles (membranes)
active!! |
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Term
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Definition
going into cell
phagocytosis
pinocytosis |
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Term
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Definition
exiting the cell
cytokines
hormones
waste products |
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