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
Uphill movement
Active process
25
2 types of active process
Carrier mediated active process | Transport mediated active process
26
You get substances inward
Endocytosis
27
2 types of endocytosis
Phagocytosis | Pinocytosis
28
Get subs outside the cell
Exocytosis
29
Molecular movt of solutes from an area of HIGH concentration to an area of LOW conc
Diffusion
30
Downhill movt
Passive process | Diffusion
31
Uphill movt
Active process
32
Factors that influence diffusion rates (FASTER) DM ST
> Distance > Molecular size Size of gradient ^ Temperature ^
33
3 major factors that determine whether or not a substance can diffuse across a cell memb
Lipid solubility Size of membrane channels Charge in the ion, mol, or membrane
34
Lipid soluble subs
Alcohol Steroid Fatty acids Dissolved gases
35
Diffusion of the WATER across a membrane due to differences in conc
Osmosis
36
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
Osmosis
37
Soln that has highest conc of solutes
Conc of water is lowest
38
Total solute concentration in a soln
Osmotic concentration | Osmolarity
39
3 diff solute conc in osmolarity
Isotonic Hypotonic Hypertonic
40
Same solute conc as the cytoplasm
Isotonic
41
No net movt of water into or out of the cell
Isotonic soln
42
Solute conc lower than that of the cytoplasm
Hypotonic soln
43
Osmotic flow of water into the cells
Hypotonic soln
44
Cells will swell
Hypotonic soln
45
Solute conc is higher than that of the cytoplasm
Hypertonic
46
Movt of water out of the cell
Hypertonic
47
Cells shrivel and crenated
Hypertonic
48
Hydrostatic pressure forces water and solute molecules across the membrane
Filtration
49
Materials are remove from a soln on the basis of size
Filtration
50
Heart pushes blood through the circulatory system and generates hydrostatic pressure pushing water and dissolved nutrients into the tissues of the body
Filtration
51
Process wherein carrier molecules transport down concentration gradient across a membrane
Facilitated diffusion
52
Involves carrier protein
Facilitated diffusion
53
Example of facilitated diffusion
Transporting glucose or aa passively
54
Massive movt of mol due to differences in pressure
Bulk flow
55
Movt of ware through the capillaries
Bulk flow
56
Ex of bulk flow
Air flow | Blood flow
57
Water in bulk flow moves with some solutes
Solvent drag
58
Carries mediated active process
Active process
59
Specific enzymes or carrie proteins
Active process
60
Pumping subs against conc gradient
Active process
61
Ex of active process
Sodium K pump
62
Properties of carrier mediated
Transport is more rapid Exhibits chemical specificity Demonstrates saturation Exhibits competition
63
Transport mediated by activity of the cell membrane
Cell can import or export specific matls regardless of their intracellular or extracellular conc
64
Packaging of extracellular matls in a vesicle at the cell surfaces for importing into the cell
Endocytosis
65
Cell drinking
Pinocytosis
66
Cell eating
Phagocytosis
67
Formation of vesicles filled with extracellular fluid
Pinocytosis
68
Formation of vesicles containing solid objects
Phagocytosis
69
Cell engulfing bacteria
Phagocytosis
70
Reverse pinocytosis
Exocytosis
71
Release of neurotransmitter subs into the synapse
Exocytosis
72
Between a nerve to nerve or berve to muscle
Synapse