Which organelle is chiefly involved in lipid metabolism and detoxification and lacks ribosomes on its surface?

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Multiple Choice

Which organelle is chiefly involved in lipid metabolism and detoxification and lacks ribosomes on its surface?

Explanation:
Smooth endoplasmic reticulum handles lipid synthesis and detoxification, and it lacks ribosomes on its surface, giving it a smooth appearance. This absence of ribosomes distinguishes it from the rough ER, which is studded with ribosomes and specializes in protein synthesis. Lipid construction and detox processes—especially in liver cells—fit the smooth ER best, while lysosomes digest materials and peroxisomes oxidize fatty acids and contribute to detox in other ways.

Smooth endoplasmic reticulum handles lipid synthesis and detoxification, and it lacks ribosomes on its surface, giving it a smooth appearance. This absence of ribosomes distinguishes it from the rough ER, which is studded with ribosomes and specializes in protein synthesis. Lipid construction and detox processes—especially in liver cells—fit the smooth ER best, while lysosomes digest materials and peroxisomes oxidize fatty acids and contribute to detox in other ways.

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