B1.1.7—Glycoproteins in cell-cell recognition Topic Practice
B1.1.7—Glycoproteins in cell-cell recognition Topic Practice

IB Biology syllabusBiology SL/HLFirst assessment 2025
Students practise linking glycoprotein structure to immune recognition functions, especially using ABO blood group antigens as a clinical test case.
How this is tested
- explain how ABO blood group surface sugars trigger immune responses during incompatible transfusions
- link glycoprotein location in the glycocalyx to roles in cell adhesion or self/non-self recognition
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