Membrane Transport WK3 L2 Flashcards

(37 cards)

1
Q

WHAT IS SIMPLE DIFFUSION?

A

MOVEMENT OF PARTICLES FROM AREAS OF HIGH CONCENTRATIONS TO AREAS OF LOW CONTRACTIONS THROUGH PHOSPHOLIPIDS

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2
Q

WHAT IS GOING AGAINST TEH GRADIENT?

A

THE MOVEMENT OF SUBSTANCES FROM AREAS OF LOWE CONCENTRATION TO AREAS OF HIGH CONCENTRATION

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3
Q

WHAT IS OSMOSIS?

A

WATER MOVING ALONG A CONCENTRATION GRADIENT FROM HIGHT TO LOW CONCENTRATION

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4
Q

IS OSMOSIS DIFFUSION OR FILTRATION?

A

DIFFUSION

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5
Q

IS OSMOSIS THE DIFFUSION OF ONLY WATER ON THE BODY?

A

YES

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6
Q

WHAT IS FILTRATION?

A

SUBSTANCES MOVING THROUGH MEMBRANES FROM HYDROSTATIC PRESSURE

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7
Q

WHAT IS HYDROSTATIC PRESSURE?

A

FORCE EXERTED ON A MEMBRANE DUE TO WATER PRESSURE

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8
Q

WHAT IS AN EXAMPLE OF FILTRATION?

A

FILTRATION F NUTRIENTS THROUGH GAPS IN BLOOD CAPILLARIE WALLS INTO TISSUE FLUIDS

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9
Q

WHAT ARE THE DIFFERENT RATES OF DIFFUSION?

A

TEMPERATURES - MOLECULAR WEIGHT - STEEPNESS OF CONCENTRATED GRADIENT - MEMBRANE SURFACE AREA - MEMBRANE PERMIABILITY

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10
Q

DOES DIFFUSION HAPPEN FASTER OR SLOWER AT HIGH TEMPERATURES?

A

FASTER

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11
Q

DO LARGER MOLECULES DIFFUSE FASTER OR SLOWER?

A

SLOWER

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12
Q

IS THE FUSION BETTER OR WORSE IN A LARGER AREA

A

BETTER

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13
Q

DO SUBSTANCES THAT CAN GET THROUGH MEMBRANES EASIER DIFFUSE FASTER OR SLOWER?

A

FASTER

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14
Q

DOES WATER MOVE TO AREAS WITH HIGHER CONCENTRATION OR LOWER CONCENTRATION?

A

LOWER CONCENTRATION

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15
Q

WHAT ARE HIGHER SOLUTION CONCENTRATE SIDES CALLED?

A

HYPERTONIC

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16
Q

WHAT DOES HYPERTONIC MEAN?

A

IT WILL LOOSE MORE CONCENTRATE AND SHIRIVEL

17
Q

WHAT ARE LOWER SOLUTION CONCENTRATE SIDES CALLED?

18
Q

WHAT DOES HYPOTONIC MEAN?

A

IT WILL GAIN MORE CONCENTRATE AND EXPAND POSSIBLY BURSTING

19
Q

WHAT IS ISOTONIC?

A

AN EQUAL CONCENTRATION AREA

20
Q

WHAT IS ISOTONICITY?

A

THE ABILITY OF A SOLUTION TO EFFECT FLUID VOLUME AND PRESSURE WITHIN A CELL

21
Q

WHAT DOES ISO MEAN?

22
Q

WHAT DOES TONIC MEAN?

23
Q

WHAT IS DISTILLED WATER?

24
Q

WHAT IS OSMOLARITY?

A

OSMOLES IN 1 L OF SOLUTION

NUMBER OF PARTICLES INFLUENCING OSMOSIS

25
WHAT IS MOLARITY?
MOLES IN 1 LITRE OF SOLUTION
26
WHAT IS MOLALITY?
MOLES IN 1 KG OF SOLVENT
27
WHAT IS OSMOLALITY?
OSMOLES IN 1 KG OF SOLVENT
28
WHAT IS CARRIER-MEDIATED TRANSPORT?
TAKING A SUBSTANCE AND MOVING IT ACROSS THE MEMBRANE THAT CAN NOT ENTER VIA PHOSHOLIPIDS
29
WHAT ARE THE TYPES OF CARRIER-MEDIATED TRANSPORT?
FACILITATED DIFFUSION - ACTIVE TRANSPORT
30
WHAT IS FACILITATED DIFFUSION?
SUBSTANCES TRANSPORTED USING PROTEIN TUNNELS INSTEAD OF PHOSPHOLIPIDS TO ENTER CELL
31
WHAT IS ACTIVE TRANSPORT?
SUBSTANCES TRANSPORTED USING ACTIVE PROTEIN TUNNELS USING INPUT ENERGY INSTEAD OF PHOSPHOLIPIDS TO ENTER CELL
32
WHAT IS VESICULAR TRANSPORT?
GRABBING LARGE QUANTITIES OF SUBSTANCES AND BRINING THEM IN OR OUT OF THE CELL
33
WHAT IS EXOCYTOSIS?
TRANSPORTATION OF SUBSTANCES OUT OF THE CELL
34
WHAT IS ENDOCYTOSIS?
TRANSPORTATION OF SUBSTANCES INDIE OF THE CELL
35
WHAT TYPES OF ENDOCYTOSIS IS THERE?
PHAGOCYTOSIS - PINOCYTOSIS
36
WHAT IS PHAGOCYTOSIS?
CELL EATING OF SOLID WORN OUT CELLS TO BRING INTO THE CELL | CELLULAR DEBRIS - DUST - BACTERIA & VIRUSES
37
WHAT IS PINOCYTOSIS?
CELL DRINKING OF FLUID SUBSTANCES TO BRING INTO THE CELL