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32 Cards in this Set
- Front
- Back
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osmosis
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diffusion of solvent through a selectively permeable membrane
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water follows
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solute
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solute and water are both
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permeable. .. they have the same osmolality
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tonicity
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compares solute concentration of 2 compartments
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tonicity is separated
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by a membrane
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isotonic is _______% NaCl in I'v
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0.9%
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in a isotonic solution the osmotic pressure equals
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hydrostatic pressure
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a hypotonic solution the osmotic pressure is
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> hydrostatic pressure
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In a hypertonic solution osmotic pressure is
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< hydrostatic pressure
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in active transport
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solute moved against concentration gradient
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in active transport the carrier protein
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binds to specific solute
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in active transport _____directly or indirectly requires energy
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in ATP
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what are the two types of active transport
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primary active transport nd secondary active transport
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primary active transport. ...
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carry protein shape.... change directly requires energy
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in primary active transport ATP
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hydrolyzes
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primary active transport =
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ATPase/ pump
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what are the ions in primary active transport
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ca h na k
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secondary active transport
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carry Protein... energy indirectly used to function
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SAT uses
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PAT
. 1 solute is moved down concentration gradient . 1 solute is moved against gradient |
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symport
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2 substances moved in same direction
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antiport
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2 substances moved in opposite directions
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what are vesicles
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membranous sacs
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what do vesicles transport
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fluid nd solute
particles macro molecules |
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what do vesicles require
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ATP
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what are the functions of vesicles transport
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1. EXOcytosis
2. endocytosis 3. transcytosis 4. vesicle trafficking |
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EXOcytosis
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transport out cell
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endocytosis
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transport in cell
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transcytosis
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transport in acrossthen out cell
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vesicle trafficking
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transport from one are area of cell to another organelle
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Secretory vesicle
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v snares
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plasma membrane
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t snares
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cytoplasm has
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cytosol
organelles inclusions |
