Q BankQuestion BankDocsDocuments

B2.1.17 (HL)—Cell adhesion molecules (CAMs)

Cell adhesion molecules are membrane or extracellular glycoproteins that attach cells to neighbours or extracellular matrix; These attachments help maintain tissue structure and communication between neighbouring cells.

Syllabus
First assessment 2025
Objective
B2.1.17
Level
HL

Concept essentials

  • Cell adhesion molecules help cells attach to other cells or extracellular matrix.
  • Many adhesion-related molecules are glycoproteins.
  • Adhesion is distinct from membrane fluidity, energy storage, and water uptake.
  • Cadherins and integrins help organize animal tissues through different attachments.
ConceptIB Biology HL