Pancreatic acinar cells are highly specialised for the synthesis and secretion of digestive enzymes.
Which of the following correctly identifies the distinct roles of the rough endoplasmic reticulum (RER) and the Golgi apparatus in this secretory pathway?
RER: folding and transport of translated polypeptide chains | Golgi apparatus: chemical modification and packaging of proteins into secretory vesicles
RER: transcription of DNA into mRNA | Golgi apparatus: translation of mRNA into functional enzymes
RER: chemical modification of proteins by glycosylation | Golgi apparatus: translation of polypeptides on cisternae membranes
RER: synthesis of phospholipids and steroid hormones | Golgi apparatus: transport of unmodified polypeptides to ribosomes
