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Photosynthesis · Paper 1 — Free Biology HL Practice Questions

1FoundationMCQTypes of chemical signals: Hormones, neurotransmitters1 markPaper 1~2 min
A water-soluble hormone is added to a culture of liver cells. Within seconds, glycogen breakdown increases, yet the hormone remains outside the cells. Which mechanism most likely accounts for this response?
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2MasteryMCQTypes of chemical signals: Hormones, neurotransmitters1 markPaper 1~2 min
In a patient with type 2 diabetes mellitus, blood glucose remains elevated despite circulating insulin levels that are above the normal range. Glucagon levels are within the normal range. Which of the following best explains why insulin concentration is elevated in this patient?
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Solutions

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