Which function is not related to the smooth endoplasmic reticulum?
Correct answer: C. Enzyme synthesis
- A. Calcium storage
- B. Steroid synthesis
- C. Enzyme synthesis
- D. Mechanical support
Explanation
Smooth endoplasmic reticulum (SER) is not involved in enzyme synthesis. Enzymes are proteins, and proteins are synthesized in the rough endoplasmic reticulum (RER). The RER is studded with ribosomes, which are the protein factories of the cell. The SER, on the other hand, is not studded with ribosomes, so it does not synthesize proteins. The SER is involved in a different set of functions, including:Lipid synthesis: The SER is the site of lipid synthesis in eukaryotic cells. Lipids are a diverse group of molecules that play important roles in cell structure, energy storage, and signaling.Detoxification: The SER is involved in the detoxification of harmful substances, such as drugs and toxins.Storage: The SER can store calcium ions, which are important for muscle contraction and other cellular processes.Mechanical support is, however, related to both SER and RER.
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