Insulin is a protein that is produced by certain pancreatic cells and secreted into the bloodstream. (This is true.) Which of the following choices best describes the route of insulin from its production to its exit from the cell?

That is the main routes of insulin in cell

Rough ER→ transport vesicles→Golgi apparatus→ transport vesicles→ cell membrane

Explanation:

First, the insulin will be packaged in a membrane from the rough ER and released. It will head to the golgi apparatus where the molecules will be modified and repackaged. Then the insulin will leave the cell through exocytosis.