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Life Sciences Paper 1, November 2024, question 3.3.2

Life Sciences P1 · Homeostasis in humans
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A scientist gave a group of healthy volunteers a sugary drink and measured their blood glucose and insulin levels over the next 90 minutes. Blood glucose rose after the drink, then returned to the normal range as the insulin level increased.
3.3.24 marks
After a meal, the hormone insulin is released and the blood glucose level falls back to normal. Describe TWO ways in which insulin brings about this decrease in blood glucose.

NSCBased on Nov 2024 · Paper 1 · Q3.3.2

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What examiners found

Candidates described how the pancreas makes insulin instead of how insulin lowers blood glucose, through uptake and storage by cells, the liver and the muscles.

In our words. Source: Department of Basic Education, NSC 2024 Diagnostic Report, Part 1 (Book 1), Q3.3.2.

Updated