1 2 homeostasis 3 osmosis 4 facilitated diffusion

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2

HomeostasiHomeostasiss

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OsmosisOsmosis

4

Facilitated Facilitated DiffusionDiffusion

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Passive Passive TransporTranspor

tt

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Active Active TranspoTranspo

rtrt

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SolutioSolutionsns

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Homeostasis

Osmosis

Facilitated

Diffusion

PassiveTranspo

rt

ActiveTranspo

rt

Solutions

9

Helps an Helps an organism organism maintain maintain

homeostasis by homeostasis by controlling what controlling what enters or leaves enters or leaves

the cellthe cell

10

What is the What is the cell cell

membrane?membrane?

11

Causes the Causes the concentration of concentration of molecules to be molecules to be

the same the same throughout a throughout a

spacespace

12

What is What is diffusion?diffusion?

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State that exists State that exists whenever whenever molecular molecular

concentration is concentration is the same the same

throughout a throughout a spacespace

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What is What is equilibriumequilibrium

??

15

When the When the concentration concentration

of solutes of solutes inside & inside &

outside the outside the cells is equalcells is equal

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What is What is isotonic?isotonic?

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Organelle in Organelle in paramecia paramecia that pumps that pumps out excess out excess

waterwater

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What is a What is a contractile contractile vacuole?vacuole?

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UniversaUniversal Solventl Solvent

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What is What is water?water?

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Property Property that makes that makes water such water such

a good a good solventsolvent

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What is What is polarity?polarity?

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Solute Solute concentration concentration that causes that causes

water to move water to move into the cellinto the cell

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What is What is hypotonic?hypotonic?

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Direction Direction water water

moves in moves in passive passive

transporttransport

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What is What is down the down the

concentratioconcentration gradient?n gradient?

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Prefix that Prefix that refers to a high refers to a high

solute solute concentration & concentration &

low water low water concentration concentration

outside the celloutside the cell

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What is What is hyper-?hyper-?

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Facilitated Facilitated diffusion is diffusion is

another another example of example of this type of this type of transporttransport

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What is What is passive?passive?

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Proteins Proteins that aid that aid

facilitated facilitated diffusiondiffusion

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What are What are carrier carrier

proteins?proteins?

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Direction Direction across the across the

cell cell membrane membrane that carrier that carrier

proteins allow proteins allow movementmovement

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What is What is higher to higher to

lower?lower?

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This happens This happens to a carrier to a carrier

molecule when molecule when it binds with it binds with the molecule the molecule it’s movingit’s moving

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What is What is change change shape?shape?

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Type of Type of molecules molecules that move that move

by by facilitated facilitated diffusiondiffusion

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What are What are amino acids or amino acids or

glucose?glucose?

39

Simplest Simplest type of type of passive passive

transporttransport

40

What is What is diffusion?diffusion?

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Direction Direction molecules molecules

diffuse diffuse across a cell across a cell membranemembrane

42

What is high What is high to low to low

concentratioconcentration?n?

43

Water Water movement movement

across a cell across a cell membranemembrane

44

What is What is osmosis?osmosis?

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Point where Point where molecules molecules

continue to continue to move without a move without a concentration concentration

gradientgradient

46

What is What is equilibriumequilibrium

??

47

Water Water pressure pressure exerted exerted

against plant against plant cell wallscell walls

48

What is What is turgor?turgor?

49

Required by Required by cells to move cells to move materials by materials by

active active transporttransport

50

What is ATP What is ATP or energy?or energy?

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Direction of Direction of Movement Movement across a across a

membrane membrane during active during active

transporttransport

52

What is low What is low to high to high

concentratioconcentration?n?

53

Act as cell Act as cell membrane membrane “pumps”“pumps”

54

What are What are carrier carrier

proteins?proteins?

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Membrane Membrane pumping pumping system system found in found in

animal cellsanimal cells

56

What is the What is the sodium-sodium-

potassium potassium pump?pump?

57

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Process where Process where cells “drink” cells “drink” droplets of droplets of

liquidliquid

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What is What is pinocytosis?pinocytosis?

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Condition of Condition of the cytosol if the cytosol if the outside the outside of the cell is of the cell is hypotonichypotonic

61

What is What is hypertonihypertoni

c?c?

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A multicellular A multicellular organism’s organism’s response to response to being in a being in a hypotonic hypotonic solutionsolution

63

What is What is pumping pumping

out out solutes?solutes?

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Direction of Direction of water water

movement movement when the when the

solute solute concentration concentration

outside the cell outside the cell is lower than is lower than

insideinside

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What is What is water water

moving into moving into the cell?the cell?

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Molecules Molecules soluble in this soluble in this

can diffuse can diffuse through the through the

cell cell membranemembrane

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What are What are lipids?lipids?

68

Condition Condition caused caused

whenever whenever plant cells plant cells lose turgor lose turgor

pressure and pressure and wiltwilt

69

What is What is plasmolysiplasmolysi

s?s?

70

71

TransportTransport

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Kinetic Kinetic energy of energy of moleculesmolecules

73

What is the What is the energy for energy for

passive passive transport?transport?