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6 marksHomeostasis and Hormonal Action

CAPE Biology Unit 2 · 2013 · Paper 2 · Question 5(a)(ii)

Principles of homeostasis and renal regulation.

Discuss the roles of a receptor, a set point, and an effector in a homeostatic system.

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Other parts of this question

  1. 5(a)(i)Give a brief explanation of the concept of 'homeostasis'.[2 marks]
  2. 5(b)(i)Briefly describe the structure of a collecting duct and explain its role in kidney function.[4 marks]
  3. 5(b)(ii)Explain how antidiuretic hormone (ADH) regulates the function of collecting ducts.[3 marks]

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