3[1].3 FORM 5
- 1. The Movement of 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. 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. • 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.