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BIO NMDCAT CELL STRUCTURE & FUNCTION
nmdcat.online July 3, 2026

54. The organelle that undergoes extensive proliferation in animal cells that specialize in steroid hormone synthesis (such as the Leydig cells of the testes) is the

A. Rough Endoplasmic Reticulum
B. Smooth Endoplasmic Reticulum
✓
C. Lysosome assembly center
D. Centrosome matrix

📝 Explanation

The smooth ER houses the key enzyme pathways required for lipid metabolism, cholesterol processing, and steroid hormone biosynthesis.

📖 Additional Information

  • Rough Endoplasmic Reticulum
  • Smooth Endoplasmic Reticulum
  • Lysosome assembly center
  • Centrosome matrix

The smooth ER houses the key enzyme pathways required for lipid metabolism, cholesterol processing, and steroid hormone biosynthesis.

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