Osmosis (AQA GCSE Biology Combined Science): Flashcards

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Osmosis
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Definition of osmosis

Movement of water from dilute to concentrated solution through a partially permeable membrane

Water potential in a dilute solution

High water potential

Water potential in a concentrated solution

Low water potential

Type of transport osmosis is

Passive (does not use energy)

Isotonic solution

Same concentration as internal, no net water movement

Hypertonic solution

Higher concentration than internal, water moves out

Hypotonic solution

Lower concentration than internal, water moves in

What happens to animal cells in dilute solution?

Water moves in, cells burst

Turgor in plant cells

Pressure from water in vacuole, keeps leaves/stems rigid

Plasmolysis

Cell membrane moves away from cell wall

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Cell Structure

Cell Division

Transport in Cells

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Cell Structure

Cell Division

Transport in Cells

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Cell Structure

Cell Division

Transport in Cells

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Cell Structure

Cell Division

Transport in Cells

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