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CAIE A-Level Biology 14.1.10 Negative Feedback Control of Blood Glucose

Practise contrasting high-glucose insulin and low-glucose glucagon pathways through pancreatic cells, liver or muscle responses and feedback restoration of the set point.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • trace high glucose through beta-cell insulin to uptake and glycogen synthesis
  • trace low glucose through alpha-cell glucagon to liver glycogen breakdown and glucose release
  • explain reduced hormone secretion once blood glucose returns towards the set point

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