Question

what is work ok rough endoplasmic reticulum​

Answer 1

Explanation:

Smooth endoplastic reticulum helps in manufacture hormones and lipid molecules. It transport the hormones and lipid molecules to the cell and the organisms. It can release calcium ions as it is requires for muscular contraction.

Answer 2

$\large\mathsf{\red{\underline{\underline{Rough~ Endoplasmic~ Reticulum:-}}}}$

${\green{\dashrightarrow}}$ It reads the DNA which reads the códe which allows the ribosomes to make proteins, and without proteins the cell would not be able to work.

So, without Rough ER, animal and plant cells would be useless and die.