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IB Biology SL D3.3.3 Blood Glucose Regulation Questions

Trace how pancreatic beta cells secrete insulin when blood glucose rises and alpha cells secrete glucagon when it falls, changing liver and muscle stores.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Trace insulin and glucagon responses to high and low blood glucose, including beta- and alpha-cell secretion.
  • Interpret glucose-tolerance and hormone data to explain blood-glucose regulation in humans and experimental animals.

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Study D3.3.3—Blood glucose regulation conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL D3.3.3 Blood Glucose Regulation Questions question 1

[Maximum number: 2]

Outline the role of glucagon in homeostasis of glucose.

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