Protein synthesis occurs in: September 2012
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).
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Golgi bodies
Nucleus