membranes and molecular movement
DESCRIPTION
Membranes and Molecular Movement. Animal cell. Plant Cell. Lipid Molecule. Water -loving. Fat-loving. Types of Membranes. Impermeable= Imp ossible to pass. Permeable= Per mission to pass. Semi-permeable= Some can pass. Membrane Proteins. Membrane. Large Molecules. Membrane Proteins. - PowerPoint PPT PresentationTRANSCRIPT
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MEMBRANES AND MOLECULAR MOVEMENT
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Animal cell
Plant Cell
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Lipid Molecule
Water -loving
Fat-loving
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TYPES OF MEMBRANES
Impermeable= Impossible to pass Permeable= Permission to pass
Semi-permeable=Some can pass.
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Membrane Proteins
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Large Molecules
Membrane Proteins
Mem
bran
e
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MOLECULAR MOVEMENT
Osmosis is the movement of WATER from high to low concentration.
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Diffusion is movement of solid molecules (solutes) from high to low concentration.
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Flies = representing water molecules
Bird= Representing sugar molecules
Small
LARGE
Cell membrane (CAGE)
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TYPES OF CONCENTRATIONS
Isotonic -Iso means (same). The cell is in a normal state. Same amount of water and solutes in and out of the cell.
Hypotonic - The cell swells because more water goes in the cell. Less solutes outside of the cell, high concentration of solutes in the cell, so water moves in.
Hypertonic- The cell shrinks because water leaves the cell. High concentration of solids on the outside of the cell, so the cell loses water and shrinks.
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water
water
waterwater
Cell SWELLS
Cell stays the SAME
Cell Shrinks
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ANIMAL CELL
PLANT CELLIsotonic Hypotonic Hypertonic
Isotonic Hypotonic Hypertonic