Question

Which cellular organelle/part is present in all cells and helps to maintain homeostasis?

Answer 1

On USATESTPREP it is cell membrane

Answer 2

One important organelle that helps maintain homeostasis by moving supplies from one part of the cell to the other is the endoplasmic reticulum.

But,it may also be called Organelle

because an Organelle that helps maintain homeostasis by moving supplies from one part of the cell to the other is the Endoplasmic reticulum.

Hope this helps :)