Blood group antigen contains:
Correct answer: A. Glycoproteins
- A. Glycoproteins
- B. Phospholipids
- C. Glycolipids
- D. Sphingolipids
Explanation
The correct answer is glycoproteins. Blood group antigens are mainly composed of glycoproteins, which include protein structures linked with carbohydrate chains crucial for identifying blood groups on the surface of red blood cells. Phospholipids, while essential for forming cell membranes, do not define blood group antigens. Glycolipids, though they have carbohydrate components, are not the primary molecules for blood group identity. Sphingolipids play a role in membrane integrity but do not directly participate in blood group antigen determination.
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About Biological Molecules
The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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