Biology B3 1.1 Osmosis.

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What is osmosis?
The diffusion of water (the movement of water) across a partially permeable membrane.
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How does water diffuse (osmosis)?
Water diffuses from a dilute solution to a more concentrated solution through a partially permeable membrane.
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How does water move into or out of cells by osmosis?
Through the cell membrane.
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What does osmosis refer to?
The movement of water molecules only.
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How does the water move in osmosis?
Just like diffusion, the movement of water molecules is random and requires no energy from the cell.
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In what direction does the water move during osmosis?
The water moves from a region of high water concentration (a dilute solution) to a region of lower water concentration (a more concentrated solution).
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What is the structure of the cell membrane (osmosis)?
Partially permeable.
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Card 2

Front

How does water diffuse (osmosis)?

Back

Water diffuses from a dilute solution to a more concentrated solution through a partially permeable membrane.

Card 3

Front

How does water move into or out of cells by osmosis?

Back

Preview of the front of card 3

Card 4

Front

What does osmosis refer to?

Back

Preview of the front of card 4

Card 5

Front

How does the water move in osmosis?

Back

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