Cell Organelles: Structure and Functions · Zoology

Which organelle is particularly well-developed in cells of the adrenal cortex that secrete steroid hormones like cortisol?

  1. Rough ER
  2. Smooth ER
  3. Golgi Apparatus
  4. Mitochondria
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Correct answer: Smooth ER

Steroid hormones are derived from cholesterol (a lipid). Because the Smooth ER is the primary site of lipid and steroid synthesis, cells producing these hormones have an extensive SER network.

Difficulty: Medium Question 14 of 20

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