Hormonal Communication (OCR A-Level Biology A): Flashcards
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Practise the cards
10 cards from this deck
Normal blood glucose range in healthy individuals
Normal blood glucose range in healthy individuals
4-8 mmol dm⁻³
Glycogenolysis
Glycogenolysis
Breakdown of glycogen to release glucose
Gluconeogenesis
Gluconeogenesis
Synthesis of glucose from non-carbohydrate molecules
Glycogenesis
Glycogenesis
Conversion of glucose to glycogen for storage
Insulin's effect on blood glucose
Insulin's effect on blood glucose
Lowers blood glucose concentration
Glucagon's effect on blood glucose
Glucagon's effect on blood glucose
Raises blood glucose concentration
Location of beta cells in pancreas
Location of beta cells in pancreas
Islets of Langerhans
What triggers insulin release in beta cells
What triggers insulin release in beta cells
High ATP closes K⁺ channels, Ca²⁺ influx triggers release
Cause of Type 1 diabetes
Cause of Type 1 diabetes
Autoimmune destruction of pancreatic beta cells
Percentage of diabetes cases that are Type 2
Percentage of diabetes cases that are Type 2
90%