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Biology - movement across membranes > OSMOSIS > Flashcards

OSMOSIS Flashcards

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1
Q

DEFINITION

A

Osmosis is the movement of water molecules from a DILUTE to a CONCENTRATED solution across a PARTIALLY PERMEABLE MEMBRANE.

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2
Q

EFFECT OF OSMOSIS ON ANIMAL CELLS

A

cell surrounded by a solution of HIGH water concentration: BURST
*water moving INTO the cell

cell surrounded by a solution of LOW water concentration: CRENATION
*water moving OUT OF the cell

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3
Q

EFFECT OF OSMOSIS ON PLANT CELLS

A

cell surrounded by a solution of HIGH water concentration: TURGID
* water moving INTO CELL

cell surrounded by a solution of LOW water concentration: PLASMOLYSED
*water moving OUT OF the cell

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Biology - movement across membranes (4 decks)

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