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Sainila Atiifale

Ch 6

QuestionAnswer
SPECIFICITY SIZE, SHAPE, AND CHARGE OF TRANSPORTERS DETERMINE WHAT THEY TRANSPORT
SELECTIVE PERMEABLE PLASMA MEMBRANES CONTROL WHAT SUBSTANCES PASS THROUGH THEM
2 MEMBRANE TYPES PASSIVE AND ACTIVE
PASSIVE TRANSPORT PROCESS DOES NOT REQUIRE ENERGY AND USES ENERGY THAT THEY ALREADY HAVE
ACTIVE PROCESSES DO REQUIRE METABOLIC ENERGY BY THE CELL
DIFFUSION NATURAL PHENOMENON CAUSED BY THE TENDENCY OF SMALL PARTICLES TO SPREAD OUT EVENLY WITHIN ANY GIVEN SPACE.
CONCENTRATION GRADIENT A MEASURABLE DIFFERENCE IN CONCENTRATION FROM ONE AREA TO ANOTHER
SIMPLE DIFFUSION WHEN MOLECULES PASS DIRECTLY THROUGH THE PHOSPHOLIPID MEMBRANE
OSMOSIS IS THE MOVEMENT OF WATER THROUGH A SEMIPERMEABLE MEMBRANE
SEMIPERMEABLE MEMBRANE ALLOWS WATER TO PASS THROUGH THE MEMBRANE, BUT BLOCKS THE PASSAGE OF AT LEAST ONE SOLUTE
AQUAPORINS "WATER PORE PROTEINS"
OSMOTIC PRESSURE IS THE PRESSURE THAT PREVENTS THE MOVEMENT OF WATER BY OSMOSIS
HYPOTONIC SOLUTION CELL SWELLS BECAUSE OF THE MOVEMENT OF WATER INTO THE CELL
ISOTONIC SOLUTION MAINTAINS THE SAME VOLUME BECAUSE THERE IS NO NET MOVEMENT OF WATER INTO OR OUT.
HYPERTONIC SOLUTION LOSES WATER BY OSMOSIS AND SHRIVELS
FACILITATED DIFFUSION DIFFUSIONS IS FACILITATED OR HELPED BY TRANSPORTERS
CHANNEL-MEDIATED PASSIVE TRANSPORT IONS OR MOLECULES MOCE DOWN THEIR CONCENTRATION GRADIENTS AS THEY PASS THROUGH CHANNELS
CARRIER-MEDIATED PASSIVE TRANSPORT
Created by: Sainila.atiifale
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