Which of the following organelles is an irregular maze of interconnected spaces enclosed by a membrane and functions as the site where most cell membrane components, as well as materials destined for export from the cell, are made?

Answer: Endoplasmic Reticulum

Explanation:

The Endoplasmic Reticulum is a network of interconnecting membrane enclosing channels that are continuous from outer outer nuclear envelope to plasma membrane. ER is classified into rough and smooth varieties.

The ER is very prominent in the cell activity synthesizing proteins e. g glycoproteins, lipoproteins and immunoglobins