mdwannabe
Forum Guru
Topics: 37
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urea is freely travelable
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| bluedusk
Forum Elite
Topics: 35
Posts: 217
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right, so you can start off with equiosmolar solutions, but then some urea (or some other permeable solute) can diffuse across the membrane creating an imbalance in tonicity.
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| mdwannabe
Forum Guru
Topics: 37
Posts: 1,133
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yep...dont forget it...common pimping q on rounds
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"Life not lived for others, is not worth living" Uncle Einstein
"A life is not important, except in the impact it has on other lives" -Jackie Robinson
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| whereami
Forum Newbie
Topics: 0
Posts: 20
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If the urea diffuses into the cell, wouldn't the solution then become HYPOtonic?
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| krishie
Forum Senior
Topics: 17
Posts: 128
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Hello guys,
Urea is a freely travellable substance as mdwannabe said.So it will travel across the membrane till its concentration is equal in both the compartments.Moreover it permeates very quickly.
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krish
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| krishie
Forum Senior
Topics: 17
Posts: 128
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Bluedusk,please correct me if Iam wrong.If we start with equiosmolar solutions,the travelling of urea will continue to keep them in the same state as it maintains an equal concentration in both of them,so much so that it does not contribute to the osmolar calculations.
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krish
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