Question

lipids are produced and packaged and calcium is stored within: rough er the nucleolus lysosomes smooth er

Explanation:

The smooth endoplasmic reticulum (smooth ER) is involved in lipid production and packaging, and also stores calcium. The rough ER is mainly for protein synthesis, the nucleolus is related to ribosome - subunit formation, and lysosomes contain digestive enzymes.

Answer:

smooth ER