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N5 Biology Cells :check:, Key, Created by, respiration will also affect…
N5 Biology Cells :check:
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All Organelles
Vacuole
Stores cell sap, helps control water balance
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Osmosis
Osmosis is the movement of water molecules from an area of high water concentration to an
area of low water concentration, down a concentration gradient, through a selectively
permeable membrane.
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Cells respond differently to treatment in solutions. Pure water (100%) has a higher water
concentration than most cells.
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Active Transport
Active transport it the movement of molecules from an area of low concentration to an area
of high concentration, against the concentration gradient.
It is an active process, it requires energy from ATP.
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membrane. Because active transport is dependent on ATP, the factors which affect the rate of
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