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IB Biology SL B2.1.7 Pump Proteins Questions

Identify active transport from ATP use and movement against gradients, then interpret the intracellular and extracellular ion patterns maintained by pumps.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Explain active transport as ATP-powered movement of specific ions or molecules against concentration gradients.
  • Describe pump proteins as selective carriers that change conformation during ATP-powered transport.
  • Interpret intracellular/extracellular K+ and Na+ patterns as evidence for pump-maintained gradients.

IB Biology SL B2.1.7 Pump Proteins Questions question 1

[Maximum number: 2]

Explain the role of protein pumps in active transport.

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