Chapter 7
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44 Terms
1
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The Plasma Membrane is a…
layer surrounding the cell
2
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In the Membrane structure the Phospholipid bilayer is…
Amphipathic
3
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In the Membrane structure Cholesterol is…
Amphipathic
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What types of Proteins are in the Membrane Structure
Integral and Peripheral
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Are Carbohydrates part of the Membrane Structure?
Yes
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What types of sugar are in the Membrane Structure?
Glycolipids and Glycoproteins
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The Fluid Mosaic Mode describes the membrane as acting like a _____
fluid
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Cholesterol is a…
Temperature Buffer
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What do Proteins do?
determine most functions
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Integral Proteins are ____ the phospholipid Membrane
in
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Peripheral Proteins are ____ the phospholipid membrane
outside
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What makes up proteins?
Amino Acids
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Peripheral proteins are ____ to the integral proteins
bound
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One function of proteins is that some __*___ as ______*__
act enzymes
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Another Function of Proteins is Signal ___________
transduction
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What is Signal Transduction?
Hormone reception
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A function of proteins is __ __to__ ____ recognition
cell
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Is a function of Proteins cell joining?
Yes
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Do proteins attach to the cytoskeleton to maintain structure?
Yes
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Facilitated Diffusion is _____ __something to happen and doing__ ____
allowing nothing
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Facilitated Diffusion does not require ___
ATP
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The Plasma Membrane is…
Selectively Permeable
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__ __and__ ____(nonpolar) cells pass through__ ____
small hydrophobic easily
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______,__ _____(polar), and__ ___ cells have difficulty passing through
large hydrophilic charged
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Transport/Carrier proteins are proteins ______ __in the membrane that help__ _____ particles cross the membrane
embedded large
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Passive transport is the _____ __of a substance__ _______ using ATP
movement without
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Passive Transport moves from __ __to__ _ concentration
High Low
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Passive Transport moves ____ the concentration gradient
with
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Simple Diffusion is an example of
Passive Transport
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Simple Diffusion is when a substance spreads _____ __from to__ _ concentration
easily high low
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An example of Simple Diffusion is…
Spraying Perfume
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Osmosis is when __ __diffuses over a semi permeable membrane from to__ _ concentration
water high low
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Osmoregulation controls the ___ __balance in a__ _____
water solution
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Turgid is when a cell has ______ water
enough
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Lysis is when a cell takes in ___ ____ water
too much
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Flaccid is when a cell has too _____ water
little
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Plasmolysis is when a ____ __cell__ ____ water
plant loses
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Water moves from a ________ __solution to__ ______ solution
hypotonic hypertonic
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A hypERtonic solution has a ____ __concentration of__ _____
Higher Solutes
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In a hypertonic solution water rushes __ cell
in
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A hypOtonic solution there is a ____ __concentration of__ _____
Lower Solutes
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In a hypotonic solution water rushes __*of*__ _______ and __ ______
out solution in cell
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In an Isotonic solution water moves __and__ *of the 2 solutions at the* ____ rate
in out same
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Sodium/Potassium pump _______ transports _ *potassium and* _ sodium in and out of the cell
Actively, 2, 3