How do smooth ER and rough ER differ ?

Distinguish between the following parts Smooth ER and Rough ER , Cell wall and cell membrane, Chloroplast and mitochondria

How does ER arise ?

Kinds of ER.

E.R. is

ER extends from

ER extends from

How does smooth endoplasmic reticulum differ from rough endoplasmic reticular ?

What are the morphological and physiological features that distinguish 'Rough ER' and 'Smooth ERP? Why are they named so?

Vesicles from the smooth ER most likely are on their way to the: