Membrane Transport WK3 L2 Flashcards
WHAT IS SIMPLE DIFFUSION?
MOVEMENT OF PARTICLES FROM AREAS OF HIGH CONCENTRATIONS TO AREAS OF LOW CONTRACTIONS THROUGH PHOSPHOLIPIDS
WHAT IS GOING AGAINST TEH GRADIENT?
THE MOVEMENT OF SUBSTANCES FROM AREAS OF LOWE CONCENTRATION TO AREAS OF HIGH CONCENTRATION
WHAT IS OSMOSIS?
WATER MOVING ALONG A CONCENTRATION GRADIENT FROM HIGHT TO LOW CONCENTRATION
IS OSMOSIS DIFFUSION OR FILTRATION?
DIFFUSION
IS OSMOSIS THE DIFFUSION OF ONLY WATER ON THE BODY?
YES
WHAT IS FILTRATION?
SUBSTANCES MOVING THROUGH MEMBRANES FROM HYDROSTATIC PRESSURE
WHAT IS HYDROSTATIC PRESSURE?
FORCE EXERTED ON A MEMBRANE DUE TO WATER PRESSURE
WHAT IS AN EXAMPLE OF FILTRATION?
FILTRATION F NUTRIENTS THROUGH GAPS IN BLOOD CAPILLARIE WALLS INTO TISSUE FLUIDS
WHAT ARE THE DIFFERENT RATES OF DIFFUSION?
TEMPERATURES - MOLECULAR WEIGHT - STEEPNESS OF CONCENTRATED GRADIENT - MEMBRANE SURFACE AREA - MEMBRANE PERMIABILITY
DOES DIFFUSION HAPPEN FASTER OR SLOWER AT HIGH TEMPERATURES?
FASTER
DO LARGER MOLECULES DIFFUSE FASTER OR SLOWER?
SLOWER
IS THE FUSION BETTER OR WORSE IN A LARGER AREA
BETTER
DO SUBSTANCES THAT CAN GET THROUGH MEMBRANES EASIER DIFFUSE FASTER OR SLOWER?
FASTER
DOES WATER MOVE TO AREAS WITH HIGHER CONCENTRATION OR LOWER CONCENTRATION?
LOWER CONCENTRATION
WHAT ARE HIGHER SOLUTION CONCENTRATE SIDES CALLED?
HYPERTONIC
WHAT DOES HYPERTONIC MEAN?
IT WILL LOOSE MORE CONCENTRATE AND SHIRIVEL
WHAT ARE LOWER SOLUTION CONCENTRATE SIDES CALLED?
HYPOTONIC
WHAT DOES HYPOTONIC MEAN?
IT WILL GAIN MORE CONCENTRATE AND EXPAND POSSIBLY BURSTING
WHAT IS ISOTONIC?
AN EQUAL CONCENTRATION AREA
WHAT IS ISOTONICITY?
THE ABILITY OF A SOLUTION TO EFFECT FLUID VOLUME AND PRESSURE WITHIN A CELL
WHAT DOES ISO MEAN?
SAME
WHAT DOES TONIC MEAN?
SAME
WHAT IS DISTILLED WATER?
PURE WATER
WHAT IS OSMOLARITY?
OSMOLES IN 1 L OF SOLUTION
NUMBER OF PARTICLES INFLUENCING OSMOSIS
WHAT IS MOLARITY?
MOLES IN 1 LITRE OF SOLUTION
WHAT IS MOLALITY?
MOLES IN 1 KG OF SOLVENT
WHAT IS OSMOLALITY?
OSMOLES IN 1 KG OF SOLVENT
WHAT IS CARRIER-MEDIATED TRANSPORT?
TAKING A SUBSTANCE AND MOVING IT ACROSS THE MEMBRANE THAT CAN NOT ENTER VIA PHOSHOLIPIDS
WHAT ARE THE TYPES OF CARRIER-MEDIATED TRANSPORT?
FACILITATED DIFFUSION - ACTIVE TRANSPORT
WHAT IS FACILITATED DIFFUSION?
SUBSTANCES TRANSPORTED USING PROTEIN TUNNELS INSTEAD OF PHOSPHOLIPIDS TO ENTER CELL
WHAT IS ACTIVE TRANSPORT?
SUBSTANCES TRANSPORTED USING ACTIVE PROTEIN TUNNELS USING INPUT ENERGY INSTEAD OF PHOSPHOLIPIDS TO ENTER CELL
WHAT IS VESICULAR TRANSPORT?
GRABBING LARGE QUANTITIES OF SUBSTANCES AND BRINING THEM IN OR OUT OF THE CELL
WHAT IS EXOCYTOSIS?
TRANSPORTATION OF SUBSTANCES OUT OF THE CELL
WHAT IS ENDOCYTOSIS?
TRANSPORTATION OF SUBSTANCES INDIE OF THE CELL
WHAT TYPES OF ENDOCYTOSIS IS THERE?
PHAGOCYTOSIS - PINOCYTOSIS
WHAT IS PHAGOCYTOSIS?
CELL EATING OF SOLID WORN OUT CELLS TO BRING INTO THE CELL
CELLULAR DEBRIS - DUST - BACTERIA & VIRUSES
WHAT IS PINOCYTOSIS?
CELL DRINKING OF FLUID SUBSTANCES TO BRING INTO THE CELL