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Question
The osmotic parameter determining flow of water from one cell to another is
The osmotic parameter determining flow of water from one cell to another is
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Solution
The correct option is C Diffusion pressure deficit
Diffusion pressure deficit (DPD) is a negative measurement to understand the flow of water from one cell to another. It is important to note that we are considering deficit in diffusion pressure and not diffusion pressure. As a rule, water always flows from lower DPD to higher DPD. This is because lesser the dissolved salts, lesser will be the deficit (so low DPD) and more the dissolved salts more will the deficit (so high DPD). As you can guess water will flow from a region of lower dissolved salts (i.e., low DPD) towards a region of more dissolved salts (i.e., higher DPD).
Diffusion pressure deficit (DPD) is a negative measurement to understand the flow of water from one cell to another. It is important to note that we are considering deficit in diffusion pressure and not diffusion pressure. As a rule, water always flows from lower DPD to higher DPD. This is because lesser the dissolved salts, lesser will be the deficit (so low DPD) and more the dissolved salts more will the deficit (so high DPD). As you can guess water will flow from a region of lower dissolved salts (i.e., low DPD) towards a region of more dissolved salts (i.e., higher DPD).
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