Glycolipids on the outer surface of the plasma membrane function mainly in
Correct answer: B. cell recognition and signalling
- A. energy storage for the cell
- B. cell recognition and signalling
- C. transport of oxygen
- D. replication of DNA
Explanation
The carbohydrate chains of glycolipids and glycoproteins act as identification markers, which is why blood group antigens sit on the red cell surface. Storage is the job of fat droplets and oxygen transport belongs to haemoglobin, neither of which is a membrane glycolipid.
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About Classification of Biological Molecules
Biological molecules are classified as carbohydrates, lipids, proteins and nucleic acids, with water, minerals and vitamins also supporting cellular processes. The key distinctions involve their monomers, chemical bonds, structures and functions, including glucose and starch, fatty acids and triglycerides, amino acids and polypeptides, and nucleotides in DNA and RNA.
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