What process causes water to enter or leave a cell?

Question

cell

Answer 1

osmosis

Answer 2

Think of it this way. If there were two connected rooms, one has 50 people wearing hats and 50 with no hats, the other room has 100 people with no hats. The people are all told to just walk around randomly bumping off each other much like molecules in the solution. However, the people with no hats are told they cannot go through the doorway to the other room (semipermeable membrane). The rooms are the same size approximately. What will happen is that eventually on average 25 of the hat wearing people (water) will want to cross the doorway and end up in the other room. This is kind of like osmosis where the concentration of solutes in the cell may be greater than on the outside driving water into the cell. In actuality the second room will become overcrowded creating back-pressure and less than this number will actually come in. This pressure is analogous to osmotic pressure. Also look up "pinocytosis" which means cell drinking!

Answer 3

Osmosis is the movement of water across a semi-permeable membrane from areas of high concentration to areas of low concentration in order to establish a volumetric balance on both sides.

It may not be a singular process, but multitudes that force water into or out of a cell: pinocytosis, excretion, secondary transport across the membrane, etc.

Answer 4

osmosis is the DIFFUSION of water. It is the net movement of water from high water to low water due to the KINETIC energy of the water molecules diffusing-osmosising. It will keep doing this until equilibrium is reached (equal concentrations of water on both sides of the cell membrane; within the cell and surrounding it)

Answer 5

It is by the diffusion of water which is more commonly termed as osmosis. Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration. Osmosis is the movement of WATER MOLECULES from a region of higher concentration to a region of lower concentration.

One thing more, the opposite process of diffusion is active transport. It is the movement of molecules from a region of lower concentration to a region of higher concentration. Thus, it requires a lot of energy which is supplied by the plant cells.

For more info, you can visit this website:
http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBooktransp.html

Answer 6

By Diffusion. It just so happens that the diffusion of water is called osmosis.

Answer 7

Diffusion and osmosis, depends on which cells

Answer 8

Diffusion.

Answer 9

I think its osmosis

Answer 10

Great topic, just what I was looking for.