The rough ER’s main purpose is membrane and protein production, the latter process assisted by ribosomes. These processes help maintain _____ in eukaryotic cells.

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a
passive transport
b
Mrs.Ruhala's garden gnome collection
c
vitamin synthesis
d
homeostasis

d) homeostasis

The main purpose of the rough endoplasmic reticulum (ER) is membrane and protein production, which assists in maintaining homeostasis in eukaryotic cells.