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IB Biology SL B2.1.4 Integral and Peripheral Proteins Questions

Identify channels, pumps, receptors, enzymes, adhesion and recognition roles, then locate integral and peripheral proteins in labelled membrane diagrams for IB Biology SL B2.1.4.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Identify integral proteins embedded in one or both phospholipid layers, including transmembrane proteins, from labelled membrane diagrams.
  • Identify membrane-protein roles including channels, pumps, receptors, enzymes, adhesion and cell recognition.
  • Use labelled membrane diagrams to locate integral protein components relative to the phospholipid bilayer.

IB Biology SL B2.1.4 Integral and Peripheral Proteins Questions question 1

[Maximum number: 2]

List two functions of membrane proteins.

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