Question

Beta cells in the pancreas produce and secrete the protein hormone insulin. you would expect to see a relatively large amount of which organelles in these cells

Answer 1

You would expect to find much rough endoplasmic reticulum and many Golgi apparati in these cells. This is due to their function as a protein storage and transport medium. By having these organelles present, the proteins (insulin) can be readily created and sent to wherever it is needed.