Biology 3B
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15 terms
Terms | Definitions |
|---|---|
 DIFFUSION | MOVEMENT OF MOLECULES FROM AN AREA OF HIGH CONCENTRATION TO AN AREA OF LOW CONCENTRATION |
| PASSIVE TRANSPORT | PROCESS THAT MOVES MOLECULES WITHOUT THE USE OF ENERGY |
| CONCENTRATION GRADIENT | THE DIFFERENCE IN THE AMOUNT OF MOLECULES ACROSS A DISTANCE OR SPACE |
| EQUILIBRIUM | EQUAL CONCENTRATION OF MOLECULES THROUGHOUT A SPACE |
| OSMOSIS | PROCESS THAT ALLOWS WATER MOLECULES TO MOVE FROM HIGH TO LOW CONCENTRATIONS |
| HYPOTONIC | TYPE OF SOLUTION THAT WOULD CAUSE A CELL TO SWELL AND EVEN BURST (WATER MOVES INTO CELL) |
| ENDOCYTOSIS | PROCESS BY WHICH A CELL INGEST EXTERNAL FLUID, MOLECULES. OR OTHER LARGE PARTICLES |
| ISOTONIC | SOLUTION THAT WOULD CAUSE NO NET CHANGE IN MASS |
| FACILITATED DIFFUSION | TYPE OF PASSIVE TRANSPORT THAT USES A PROTEIN TO HELP PASS MOLECULES THAT CANNOT DIFFUSE ACROSS THE CELL MEMBRANE |
| CARRIER PROTEIN | MOLECULE THAT ASSISTS AND HELPS IN FACILITATED DIFFUSION |
| ACTIVE TRANSPORT | MOLECULE TRANSPORT THAT REQUIRES ENERGY TO GO "UP" A GRADIENT |
| HYPERTONIC | TYPE OF SOLUTION THAT WOULD CAUSE A CELL TO SHRIVEL AND DECREASE IN MASS |
| EXOCYTOSIS | PROCESS BY WHICH A SUBSTANCE IS RELEASED BY THE CELL THROUGH A VESICLE |
| PINOCYTOSIS | TYPE OF ENDOCYTOSIS IN WHICH THE SUBSTANCE ENTERING THE CELL IS A SOLUTE OR FLUID (CELL DRINKING) |
| PHAGOCYTOSIS | TYPE OF ENDOCYTOSIS IN WHICH THE SUBSTANCE ENTERING THE CELL IS A LARGE PARTICLE OR CELL (CELL EATING) |
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