The glycocalyx is a layer of carbohydrate chains attached to proteins and lipids on the outer surface of the cell surface membrane. What is the primary function of the glycocalyx?

Enabling cell recognition, by acting as receptor sites for hormones and antigens.

The cell surface membrane is described as a 'fluid mosaic' model. Which of the following correctly explains why this description is used?

The phospholipid molecules are free to move within the bilayer, and the protein molecules are scattered throughout it like tiles in a mosaic.

The hydrophobic fatty acid tails, which form a non-polar core that repels polar molecules

A Level Biology

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