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Cambridge IGCSE Biology practice

How does glucagon affect blood glucose levels?

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MCQ

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cambridge_mcq

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Topic

Homeostasis

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How does glucagon affect blood glucose levels?.

  1. A.Lowers blood glucose by storing glucose
  2. B.Raises blood glucose by releasing glucose
  3. C.Has no effect on blood glucose
  4. D.Increases glucose uptake by cells

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Paper 4 structured question: Homeostasis

Paper 4Theory (Extended)2 marks

Description

Blood Glucose Regulation by the Liver

The liver helps maintain blood glucose levels by storing glucose as glycogen or releasing glucose when needed. Insulin and glucagon are hormones involved in this process.

  1. a

    Describe how insulin affects blood glucose levels and the liver.

    Aim for approximately 2 distinct marking points.

    [2]