Which statement correctly describes a feature of plasma membrane components?
Glycolipids consist of carbohydrate chains attached to membrane proteins.
Glycoproteins consist of carbohydrate chains attached to lipids in the bilayer.
Cholesterol regulates the fluidity of the membrane by interacting with phospholipid tails.
Extrinsic proteins span across both layers of the phospholipid bilayer.
12 exam-style questions on OCR A A Level Biology Biological membranes. Each one has a worked solution and a mark scheme showing where the marks go.