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Cell Structure and Organization — Biology STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceBiologyCell Structure and Organization4 Marks
Question
The RBC surface normally shows glycoprotein molecules. When determining blood group do they play any role?
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Answer

  1. Glycoproteins are protein molecules modified within the Golgi complex by having a short sugar chain (polysaccharide) attached to them.
  2. The polysaccharide part of glycoproteins located on the surfaces of red blood cells acts as the antigen responsible for determining the blood group of an individual.
  3. Different polysaccharide part of glycoproteins act as different type of antigens that determine the blood groups.
  4. Four types of blood groups A, B, AB, and O are recognized on the basis of presence or absence of these antigens.

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