Concentration of oxygen is more outside the cell as compared to inside. Will the oxygen concertation inside and outside change with time? If yes, where will it increase? If no, why not?
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If we consider a single cell, the concentration of O2 is more outside the cell, so through diffusion the O2 goes into the cell. When the conc. is balanced, the net flow of O2 is 0.
Then when this O2 is used up by the cell and converted to Co2, the conc. of Co2 inside the cell becomes more than the sorrounding so through diffusion it comes out of the cell.
When CO2 out, there becomes a deficiency of O2 inside the cell ...the again O2 from outside moves in.
And this process continues.
Note that when there is CO2 conc. difference not all Co2 comes outside, some amount of Co2 is still inside the cell, but it's too less
Then when this O2 is used up by the cell and converted to Co2, the conc. of Co2 inside the cell becomes more than the sorrounding so through diffusion it comes out of the cell.
When CO2 out, there becomes a deficiency of O2 inside the cell ...the again O2 from outside moves in.
And this process continues.
Note that when there is CO2 conc. difference not all Co2 comes outside, some amount of Co2 is still inside the cell, but it's too less
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