Cambridge AS & A Level Biology
4.1Fluid mosaic membranes
Fluid mosaic membranes in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives
What the syllabus expects you to be able to do.
- 4.1.1Describe the fluid mosaic model with reference to the hydrophobic and hydrophilic interactions that form the bilayer and place the proteins.
- 4.1.2Describe where cholesterol, glycolipids and glycoproteins lie in cell surface membranes.
- 4.1.3Describe the roles of membrane components in stability, fluidity, permeability, transport, cell signalling and cell recognition.
- 4.1.4Outline cell signalling: ligands secreted, transported to target cells and bound to receptors.
Lessons
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The fluid mosaic model and cell signalling
30 min
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Sample question
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Turn Fluid mosaic membranes into a strength.
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