A2 OCR Biology Key Terms and Definitions Hormones

1. A dangerous condition caused by the presence of ketone bodies in the blood. (12)
4. An enzyme that produces cAMP in the cytoplasm, in response to the binding of a signal molecule with the plasma membrane. (8, 7)
5. A tube leading from one part of the body to another. (4)
6. A hormone secreted in response to low blood glucose levels, which brings about an increase in the rate of production of glucose from glycogen and other substances in the liver. (8)
10. Cells in the islets of Langerhans that secrete glucagon. (5, 5)

2. Groups of cells in the pancreas that secrete insulin and glucagon. (6, 2, 10)
3. Cells in the islets of Langerhans that secrete insulin. (4, 5)
7. A hormone secreted in response to high blood glucose levels, which brings about an increase in the uptake of glucose from the blood and its conversion to glycogen. (7)
8. Insulin produced by genetically modified bacteria. (2, 7)
9. The production of glucose from non-carbohydrate substances, such as amino acids or lipids. (15)

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