Which one of the following statements about proteins in mammalian cells is corrects?

A. Proteins in mammalian cells are synthesised in cell membrane

B. Proteins in mammalian cells are not synthesised in cell membrane but directly absorbed from food

C. Proteins in mammalian cells are synthesised in rough endoplasmic reticulum

D. Proteins in mammalian cells are synthesised in Golgi apparatus

Answer: Option C