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IB Biology SL B2.1.9 Glycoproteins and Glycolipids Questions

Identify extracellular carbohydrate chains on glycoproteins and glycolipids, then explain glycocalyx recognition and adhesion in IB Biology SL B2.1.9.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Identify glycoproteins and glycolipids as membrane components carrying short carbohydrate chains on the extracellular surface.
  • Explain how the glycocalyx supports cell recognition, adhesion, signalling and cell-to-cell interactions.
  • Distinguish membrane-carbohydrate recognition and adhesion roles from channels, pumps and simple lipid diffusion.

IB Biology SL B2.1.9 Glycoproteins and Glycolipids Questions question 1

[Maximum number: 1]

Which part of the membrane allows cell recognition?

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