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IB Biology HL C2.1.12 Hl Intracellular Receptors Questions

Practise IB Biology HL 2.1.12 by applying intracellular receptors concepts to exam questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify steroid and thyroxine-like hormones as ligands for intracellular receptor proteins.
  • Explain how steroid hormones cross the plasma membrane and bind receptor proteins in the cytoplasm.
  • Relate the hormone-receptor complex to nuclear DNA binding, gene transcription and production of specific proteins.

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Study C2.1.12 (HL)—Intracellular receptors conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C2.1.12 Hl Intracellular Receptors Questions question 1

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Describe the mode of action of steroid hormones.

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