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MDCAT Biology QUESTION #11233
Question 1
In a cell, the smooth endoplasmic reticulum (SER) is primarily involved in:
  • Protein synthesis
  • Lipid synthesis and detoxification✔️
  • ATP production
  • Photosynthesis
Correct Answer Explanation
The SER lacks ribosomes and is primarily involved in lipid synthesis, steroid hormone production, and detoxification of drugs and poisons. Protein synthesis occurs on the RER.