Question

this is a membrane - bound organelle in eukaryotic cells that is the production and transportation of proteins. this is any functional structure within the confines of a cell; literally a “small organ;” it usually has a membrane - based structure endoplasmic reticulum organelle

Explanation:

The endoplasmic reticulum is a membrane - bound organelle in eukaryotic cells involved in protein production and transportation. An organelle is a functional structure within a cell, often membrane - based.

Answer:

The first description matches the endoplasmic reticulum. The second description matches an organelle. So, the first blank is Endoplasmic reticulum and the second blank is Organelle.