Question

What is an analogy for endoplasmic reticulum?

Answer 1

A massive shipping facility can be an analogy for endoplasmic reticulum.

Explanation:

About a third of the proteins in the human body go through the ER. The ER is like a massive shipping facility that folds, packages, and exports proteins to destinations inside and outside of the cell. Hence it can be an analogy for endoplasmic reticulum