3[1].3 FORM 5

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3[1].3 FORM 5

  1. 1. The Movementof Substances Across the Plasma Membrane 3 . 3 - A p p r e c ia t in g The M o ve m e nt o f S u b s ta nc e s A c ro s s t h e P la s m a Me mbra ne
  2. 2. LEARNING OUTCOMES• Explain the necessity of movement of substances across the plasma membrane which occurs in a continuous & controlled manner for survival of a cell
  3. 3. • Occurs in a continuous & controlled manner for the survival of a cell.• The fluidity of the plasma membrane depends on the specific fatty acid & cholesterol present and the temperature.• Unsaturated fatty acids with bend tails break up the dense fatty acid packing & cause the phospholipids bilayer to be more fluid.

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