How can a cell protect itself from being cytolized?

[hikki_pop]

Osmosis:
a. presence of h20 molecules
b. presence of a semi-permeable membrane
c. direction: from a region of higher concentration to a region of lower concentration


* osmosis is a passive transport, which is defined as the movement of molecules without the expenditure of cellular energy.

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1. what factors are important to bring about a faster movement through a membrane?

2. how can a cell protect itself from being cytolized?

 

[daveed]

you could change the concentration gradients on either side of the membrane, i guess, and well.. plant cells protect themselves pretty well with the cell walls... they just bulge. i believe so, anyways. don't remember exactly.

 

[ravenprp]

1. Factors such as temperature, concentration gradient, and the size of the molecules can affect the rate of osmosis through a membrane. Higher temperatures can increase the kinetic energy of the molecules, leading to faster movement. A larger concentration gradient, where there is a greater difference in solute concentration on either side of the membrane, can also result in faster movement. Smaller molecules can also move through the membrane more quickly than larger molecules.

2. A cell can protect itself from being cytolized, or bursting, by regulating the movement of water through its membrane. This can be achieved through osmoregulation, where the cell controls the concentration of solutes inside the cell to match the external environment. By maintaining an equal concentration of solutes on both sides of the membrane, the cell can prevent excessive water from entering or leaving and maintain its structural integrity. Additionally, the presence of a semi-permeable membrane can also prevent the movement of large molecules or ions that could cause osmotic imbalances. Overall, the cell's ability to regulate osmosis is crucial in protecting itself from being cytolized.