________is associated with the production and metabolism of fats and steroid hormones.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Smooth endoplasmic reticulum.
The smooth endoplasmic reticulum (SER) is the organelle primarily associated with the production and metabolism of fats (lipids) and steroid hormones.
Unlike the rough endoplasmic reticulum, it lacks ribosomes on its surface, giving it a "smooth" appearance. Its tubular structure and specific enzymes allow it to synthesize various lipids, including phospholipids for cell membranes, and play a crucial role in the synthesis of steroid hormones from cholesterol, particularly in cells that specialize in hormone secretion. The SER is also involved in detoxification processes and calcium ion storage.