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EnglandBiologyQuick questions
3.6 Organisms respond to changes in their internal and external environments
Quick questions on Homeostasis and blood glucose control: insulin, glucagon and diabetes - AQA A-Level Biology
5short 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 control of blood glucose?Show answer
Blood glucose is controlled by two hormones from the islets of Langerhans in the pancreas:
What is diabetes mellitus?Show answer
Diabetes is a condition in which the body cannot control blood glucose concentration properly.
What is q1?Show answer
Explain what is meant by negative feedback in homeostasis. [2 marks]
What is q2?Show answer
Describe the roles of insulin and glucagon in controlling blood glucose. [4 marks]
What is q3?Show answer
Describe the second messenger model by which glucagon raises blood glucose. [4 marks]
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