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PHYSIO > CELL MOVEMENT > Flashcards

CELL MOVEMENT Flashcards

0
Q

Characterized by PSEUDOPODIUM

A

Amoeboid movt

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1
Q

Movement of an entire cell in relation to its surrounding (the whole cell moves)

A

Amoeboid movt

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2
Q

Attached to anything and bring the whole cell with it

A

Amoeboid movt

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3
Q

Example of amoebiid movt

A

WBC

From blood to tissue

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4
Q

Whip like movt of the CILIA on the surfaces of the cell

A

Ciliary movt

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5
Q

Ex of ciliary movt

A

Movt of cilia on respiratory passages

Movt in fallopian tube

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6
Q

Interstitial fluid

A

Extracellular fluid

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7
Q

Cell membrane is made up of

A

Lipids

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8
Q

Water loving

A

Head

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9
Q

Lipid soluble

Nonpolar

A

Tails

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10
Q

Lipid soluble matls

A

Vitamins
O2
Co2

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11
Q

Serves as channels

A

Lipids

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12
Q

Body weight is % fluid

A

56% fluid

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13
Q

2 types of fluid in the body

A

Intracellular

Extracellular

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14
Q

Inside the cell numerous in K, Mg P

A

Intracellular fluid

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15
Q

Diluted salt soln

Mostly Na and Cl

A

Extracellular fluid

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16
Q

Regulates the intracellular and extracellular fluid

A

Cell memb

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17
Q

2 mechanisms in movt across the cell membrane

A

Passive process

Active process

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18
Q

Move ions of molecules without energy expenditure

A

Passive process

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19
Q

Passive processes

DOF FBS

A

Diffusion
Osmosis
Filtration

Facilitated diffusion
Bulk flow
Solvent drag *downhill movt

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20
Q

Determines which molecules comes out and comes in

A

Permeability

Selectively permeable

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21
Q

Factors of solubility

SSS EC

A 
Shape
Size
Solubility of mol
Electric charge
Combination of all factors varies from cell to cell
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22
Q

Differences between the concentrations of subs EXTRACELLULARLY and INTRACELLULARLY

A

Concentration gradient

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23
Q

Req energy source by the cell for movt across the cell memb
Transport subs AGAINST their concentration gradient

A

Active process

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24
Q

Uphill movement

A

Active process

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25
Q

2 types of active process

A

Carrier mediated active process

Transport mediated active process

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26
Q

You get substances inward

A

Endocytosis

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27
Q

2 types of endocytosis

A

Phagocytosis

Pinocytosis

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28
Q

Get subs outside the cell

A

Exocytosis

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29
Q

Molecular movt of solutes from an area of HIGH concentration to an area of LOW conc

30
Q

Downhill movt

A

Passive process

Diffusion

31
Q

Uphill movt

A

Active process

32
Q

Factors that influence diffusion rates
(FASTER)
DM ST

A

> Distance
Molecular size

Size of gradient ^
Temperature ^

33
Q

3 major factors that determine whether or not a substance can diffuse across a cell memb

A

Lipid solubility
Size of membrane channels
Charge in the ion, mol, or membrane

34
Q

Lipid soluble subs

A

Alcohol
Steroid
Fatty acids
Dissolved gases

35
Q

Diffusion of the WATER across a membrane due to differences in conc

36
Q

Water will flow across a memb toward the soln that has the highest conc of solutes bec that is where the conc of water is lowest

37
Q

Soln that has highest conc of solutes

A

Conc of water is lowest

38
Q

Total solute concentration in a soln

A

Osmotic concentration

Osmolarity

39
Q

3 diff solute conc in osmolarity

A

Isotonic
Hypotonic
Hypertonic

40
Q

Same solute conc as the cytoplasm

41
Q

No net movt of water into or out of the cell

A

Isotonic soln

42
Q

Solute conc lower than that of the cytoplasm

A

Hypotonic soln

43
Q

Osmotic flow of water into the cells

A

Hypotonic soln

44
Q

Cells will swell

A

Hypotonic soln

45
Q

Solute conc is higher than that of the cytoplasm

A

Hypertonic

46
Q

Movt of water out of the cell

A

Hypertonic

47
Q

Cells shrivel and crenated

A

Hypertonic

48
Q

Hydrostatic pressure forces water and solute molecules across the membrane

A

Filtration

49
Q

Materials are remove from a soln on the basis of size

A

Filtration

50
Q

Heart pushes blood through the circulatory system and generates hydrostatic pressure pushing water and dissolved nutrients into the tissues of the body

A

Filtration

51
Q

Process wherein carrier molecules transport down concentration gradient across a membrane

A

Facilitated diffusion

52
Q

Involves carrier protein

A

Facilitated diffusion

53
Q

Example of facilitated diffusion

A

Transporting glucose or aa passively

54
Q

Massive movt of mol due to differences in pressure

55
Q

Movt of ware through the capillaries

56
Q

Ex of bulk flow

A

Air flow

Blood flow

57
Q

Water in bulk flow moves with some solutes

A

Solvent drag

58
Q

Carries mediated active process

A

Active process

59
Q

Specific enzymes or carrie proteins

A

Active process

60
Q

Pumping subs against conc gradient

A

Active process

61
Q

Ex of active process

A

Sodium K pump

62
Q

Properties of carrier mediated

A

Transport is more rapid
Exhibits chemical specificity
Demonstrates saturation
Exhibits competition

63
Q

Transport mediated by activity of the cell membrane

A

Cell can import or export specific matls regardless of their intracellular or extracellular conc

64
Q

Packaging of extracellular matls in a vesicle at the cell surfaces for importing into the cell

A

Endocytosis

65
Q

Cell drinking

A

Pinocytosis

66
Q

Cell eating

A

Phagocytosis

67
Q

Formation of vesicles filled with extracellular fluid

A

Pinocytosis

68
Q

Formation of vesicles containing solid objects

A

Phagocytosis

69
Q

Cell engulfing bacteria

A

Phagocytosis

70
Q

Reverse pinocytosis

A

Exocytosis

71
Q

Release of neurotransmitter subs into the synapse

A

Exocytosis

72
Q

Between a nerve to nerve or berve to muscle

PHYSIO (8 decks)

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