The Golgi apparatus receives materials from which of the following organelles?

Rough Endoplasmic Reticulum $(RER)$ is associated with:

The site of synthesis of glycolipids and glycoproteins is:

Rough Endoplasmic Reticulum $(RER)$ $= ..........P.............$
Smooth Endoplasmic Reticulum $(SER)$ $= ......Q...........$
What substances do the above Endoplasmic Reticula synthesize/secrete respectively?

Identify the major site of biosynthesis of lipids.

Which substance is synthesized by the Smooth Endoplasmic Reticulum $(SER)$?