Gce Model Questions Vol1 2024 Biology Question 7

Practice essay / theory question 7 from the 2024 Gce Model Questions Vol1 Biology examination. This question covers Homeostasis, Blood glucose regulation, Endocrine control .

Gce Model Questions Vol1 2024 Biology Essay / Theory

Topics: Homeostasis Blood glucose regulation Endocrine control

Question 7 GCE_MODEL_QUESTIONS_VOL1 • 2024 • BIOLOGY • essay

The maintenance of blood glucose concentration within a narrow range is a classic example of homeostasis in humans.

Question Parts

( a )

Describe the negative‑feedback loop that regulates blood glucose concentration, naming all the major components involved.

( b )

Explain how insulin and glucagon act on their target tissues to restore normal glucose levels after a meal and during fasting respectively.

( c )

Predict the immediate and longer‑term effects on blood glucose concentration if the pancreatic β‑cells are destroyed (as in type 1 diabetes).

( d )

Evaluate two lifestyle interventions that can help a person with type 1 diabetes maintain glucose homeostasis, explaining the physiological basis for each.

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About This Question

This is Gce Model Questions Vol1 2024 Biology Question 7. It is one of the essay questions from the 2024 Gce Model Questions Vol1 Biology examination.

The question covers Homeostasis, Blood glucose regulation, Endocrine control .

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