This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
Metastasis of cancer has its roots in structural abnormalities of 
Select and explain. 
A. Glycolipids in nervous tissue, B. Glycoproteins on cell surface, C. Lipoproteins in blood, D. None of the above
B: Glycoproteins on cell surface
Answer: B: Glycoproteins on cell surface 
Explanation: DiseaseAbnormalityMetastasis of cancer cellsAbnormalities in the oligosaccharide chains of membrane glycoproteins and glycolipids are thought to be of impoanceReference: Harper&;s Biochemistry; 30th edition; Chapter 40 Membranes: Structure & Function