Question

newly made proteins are packaged by this organelle: golgi body nucleus rough er smooth er

Explanation:

The Golgi body modifies, sorts, and packages newly - made proteins for secretion out of the cell or for use within the cell. The nucleus contains genetic material and is not involved in protein packaging. The rough endoplasmic reticulum (ER) is involved in protein synthesis but not primarily in packaging. The smooth ER is mainly involved in lipid synthesis and detoxification, not protein packaging.

Answer:

A. golgi body