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Cholesterol Describe Presence Affects Properties Cell Membranes End

Front Describe how presence of cholesterol affects the properties of cell membranes.
Back Cholesterol in membranes
  • Cholesterol has one end attracted to the polar head of a phospholipid and the tail of another
  • This means cholesterol helps stabilise the bilayer
  • Because it fits between phospholipids it also prevents them from aligning too close together at low temperatures - maintaining fluidity by preventing solidification

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