Biochemistry In which organelle (s) of hepatocyte, the elongation of long chain fatty acid takes place? A Endoplasmic reticulum (ER) B Golgi body C Mitochondria D Lysosomes 💡 Explanation In which organelle (s) of hepatocyte, the elongation of long chain fatty acid takes place? ✓ Correct Answer: A. Endoplasmic reticulum (ER)