Cell wall materials are synthesized by

Which cell organelle in plant cells secretes polysaccharide materials for the formation of the cell wall?

Which is the important site for the formation of glycoproteins and glycolipids?

$SER$ produces

$A$: Materials synthesized in the endoplasmic reticulum are released through the cisternae of the Golgi apparatus via vesicles.
$R$: The Golgi apparatus is observed as oval and spherical vesicles towards the outer surface of the cisternae.

Camillo Golgi first observed the Golgi apparatus near the ........ .