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Module 5: Communication, homeostasis and energy
Quick questions on Homeostasis and the kidney: negative feedback, ultrafiltration and osmoregulation - OCR A-Level Biology A
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the role of the liver?Show answer
The liver processes the products of digestion and removes wastes:
What is q1?Show answer
State what is meant by negative feedback. [2 marks]
What is q2?Show answer
Explain why blood cells and plasma proteins are not found in the glomerular filtrate. [2 marks]
What is q3?Show answer
Name the hormone that increases the permeability of the collecting duct to water. [1 mark]
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