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21 Cards in this Set
- Front
- Back
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STATE OF STEADY INTERNAL PHYSICAL AND CHEMICAL CONDITION |
HOMEOSTASIS |
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ALL CELLS MUST MAINTAIN? |
HOMEOSTASIS |
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ONE WAY OF MAINTAINING HOMEOSTASIS? |
CONTROL MOVEMENT SUBSTANCES ACROSS CELL MEMBRANE |
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SOMETIMES CELLS USE __________ TO TRANSPORT SUBSTANCES? |
ENERGY |
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SUBSTANCES CAN MOVE WITHOUT THE USE OF ________________. |
ENERGY |
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MOLECULE MOVEMENT FROM HIGH TO LOW CONCENTRATION |
PASSIVE TRANSPORT |
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DIFFERENCE CONCENTRATION OF SUBSTANCES ACROSS MEMBRANE |
CONCENTRATION GRADIENT |
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WATER MOLECULES ARE SMALL AND DIFFUSE THROUGH THE CELL MEMBRANE |
OSMOSIS |
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PASSIVE TRANSPORT HIGH TO LOW |
SIMPLE DIFFUSION |
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EQUAL CONCENTRATION OF SUBSTANCE THROUGHOUT A SPACE |
EQUILIBRIUM |
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NEVER CHANGING BALANCE OF SUBSTANCE |
DYNAMIC EQUILIBRIUM |
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MOTION OF PARTICLES NEVER TRULY __________ |
STOP |
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RANDOM MOTION OF PARTICLES SUSPENDED IN A MEDIUM |
BROWNIAN MOTION |
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THE CELL MEMBRANE IS _________ _________. |
SELECTIVELY PERMEABLE |
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EXISTS ACROSS THE CELL MEMBRANE |
CONCENTRATION GRADIENT |
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A SUBSTANCE MUST BE ABLE TO PASS THROUGH THE CELL MEMBRANE ON IT'S OWN |
TO DIFFUSE DOWN THE GRADIENT (HIGH TO LOW) |
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THE INTERIOR (TAILS) OF THE LIPID BILAYER ARE __________. |
NON-POLAR |
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LIPID BILAYER _________ IONS AND MOST POLAR MOLECULES (SODIUM, CHLORIDE, POTASSIUM, MAGNESIUM , GLUCOSE) |
REPELS |
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LIPID BILAYER _________ VERY SMALL OR NON-POLAR MOLECULES TO ENTER |
ALLOWS |
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WATER MOVING DOWN THE CONCENTRATION GRADIENT IS A _________ ___________ |
PASSIVE TRANSPORT |
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WATER MOLECULES DIFFUSED THROUGH THE CELL MEMBRANE IS CALLED? |
OSMOSIS |
