Neco Model Questions Vol1 2023 Biology Question 7

Practice essay / theory question 7 from the 2023 Neco Model Questions Vol1 Biology examination. This question covers Homeostasis .

Neco Model Questions Vol1 2023 Biology Essay / Theory
Topic: Homeostasis
Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • essay

The maintenance of internal stability (homeostasis) is vital for the survival of humans. Discuss the regulatory mechanisms that control blood glucose concentration.

Question Parts

( a )
Describe the role of insulin and glucagon in maintaining normal blood glucose levels. Include the source of each hormone, the target tissues and the principal metabolic effect.
( b )
Explain what would happen to blood glucose concentration and the associated symptoms if the pancreas failed to secrete insulin.
( c )
Compare the feedback mechanisms that regulate insulin secretion with those that regulate antidiuretic hormone (ADH) secretion.
( d )
Design a simple laboratory experiment to investigate the effect of a graded series of insulin concentrations on glucose uptake by isolated rat muscle tissue. State the hypothesis, the main steps, the variables to be measured and how you would analyse the data.

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About This Question

This is Neco Model Questions Vol1 2023 Biology Question 7. It is one of the essay questions from the 2023 Neco Model Questions Vol1 Biology examination.

The question covers Homeostasis .

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