Protein synthesis occurs in: September 2012: (A) Smooth endoplasmic reticulum, (B) Rough endoplasmic reticulum, (C) Golgi bodies, (D) Nucleus
Answer is B. Ans. B i.e. Rough endoplasmic reticulumRough ERThe surface of the rough endoplasmic reticulum (often abbreted RER) is studded with protein-manufacturing ribosomes giving it a "rough" appearance (hence its name).