1 2 Homeostasis 3 Osmosis 4 Facilitated Diffusion.
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Transcript of 1 2 Homeostasis 3 Osmosis 4 Facilitated Diffusion.
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HomeostasiHomeostasiss
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OsmosisOsmosis
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Facilitated Facilitated DiffusionDiffusion
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Passive Passive TransporTranspor
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Active Active TranspoTranspo
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SolutioSolutionsns
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Homeostasis
Osmosis
Facilitated
Diffusion
PassiveTranspo
rt
ActiveTranspo
rt
Solutions
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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
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What is the What is the cell cell
membrane?membrane?
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Causes the Causes the concentration of concentration of molecules to be molecules to be
the same the same throughout a throughout a
spacespace
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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
??
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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?
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Simplest Simplest type of type of passive passive
transporttransport
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What is What is diffusion?diffusion?
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Direction Direction molecules molecules
diffuse diffuse across a cell across a cell membranemembrane
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What is high What is high to low to low
concentratioconcentration?n?
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Water Water movement movement
across a cell across a cell membranemembrane
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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
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What is What is equilibriumequilibrium
??
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Water Water pressure pressure exerted exerted
against plant against plant cell wallscell walls
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What is What is turgor?turgor?
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Required by Required by cells to move cells to move materials by materials by
active active transporttransport
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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
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What is low What is low to high to high
concentratioconcentration?n?
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Act as cell Act as cell membrane membrane “pumps”“pumps”
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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
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What is the What is the sodium-sodium-
potassium potassium pump?pump?
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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
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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
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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?
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Condition Condition caused caused
whenever whenever plant cells plant cells lose turgor lose turgor
pressure and pressure and wiltwilt
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What is What is plasmolysiplasmolysi
s?s?
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TransportTransport
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Kinetic Kinetic energy of energy of moleculesmolecules
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What is the What is the energy for energy for
passive passive transport?transport?
