BRAINCAKECholesterol
Cholesterol is a hydrophobic molecule that occurs within the membrane.
It adds strength to the membrane, regulates the fluidity of the membrane and prevents the leakage of water and ions across the membrane.
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Key terms in this lesson
- phospholipid bilayer
- Two layers of phospholipid molecules arranged with hydrophilic heads facing outwards and hydrophobic tails facing inwards, forming the basic structure of cell membranes.
More in Plasma Membrane
- Membrane Proteins
- Glycoproteins
- Glycolipids
- Extrinsic Proteins
- Sites of Chemical Reactions
- Effect of Temperature
- Solvents
- Diffusion
All 18 lessons in Plasma Membrane · All OCR AS-level Biology topics