What organelle is involved in detoxification and lipid synthesis?

The smooth endoplasmic reticulum (SER) is the organelle primarily involved in detoxification processes and lipid synthesis within the cell. Unlike the rough endoplasmic reticulum, which is studded with ribosomes and primarily synthesizes proteins, the smooth endoplasmic reticulum lacks these ribosomes and is specialized for lipid production.

In the context of detoxification, the SER plays a crucial role in processing harmful substances, such as drugs and toxins, making them more water-soluble for easier excretion from the body. Additionally, the smooth endoplasmic reticulum is involved in the synthesis of phospholipids and cholesterol, which are important components of cellular membranes, as well as the production of steroid hormones. This dual function of lipid synthesis and detoxification highlights the importance of the smooth endoplasmic reticulum in maintaining cellular health and function.