IB Biology HL B2.1.9 Glycoproteins and Glycolipids Questions

Analyse how extracellular carbohydrate chains on glycoproteins and glycolipids form a glycocalyx supporting recognition, adhesion and signalling in IB Biology HL B2.1.9.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

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 HL B2.1.9 Glycoproteins and Glycolipids Questions question 1

[Maximum number: 1]

The diagram shows the cross section of a plasma membrane.

Figure for Question IB Biology HL B2.1.9 Glycoproteins and Glycolipids Questions question 1 — IB Biology HL

What is found in area X ?

A

Glycolipid

B

Glycoprotein

C

Polar amino acid

D

Non-polar amino acid

All question bank results loaded