Osmosis
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Osmosis. Water Concentrations Movement of water molecules (H20) across a permeable membrane. Molecules move from area of high concentrations to areas of low concentrations. Aims to equalize concentration inside and outside the cell. 3 Osmosis Situations Isotonic Hypotonic Hypertonic.

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Osmosis

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Osmosis

Osmosis


Osmosis1

  • Water Concentrations

  • Movement of water molecules (H20) across a permeable membrane.

  • Molecules move from area of high concentrations to areas of low concentrations.

  • Aims to equalize concentration inside and outside the cell.

  • 3 Osmosis Situations

    • Isotonic

    • Hypotonic

    • Hypertonic

Osmosis


Isotonic

  • Iso-equal

  • EQUAL amounts of water inside and outside the cell.

Isotonic


Hypotonic solutions

  • Hypotonic more H20 molecules Outside the cell

  • Hypo-below, under, less

  • H20 molecules will move IN to the cell.

  • Cell takes on water

Hypotonic Solutions


Hypertonic solutions

  • more H20 inside cell/less H20 molecules outside cell.

  • Hyper-above, excessive

  • Cell loses H20 molecules.

  • Cell dehydrates

Hypertonic Solutions


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