In prokaryotic and eukaryotic cells the amount of water in the cell is kept at a steady state. The organelles through which water
passes into and out of cell is the
cell membrane
cell wall
nucleus
ribosome

The cell membrane is what lets things in and out of a cell.

Explanation:

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.