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Differentials

Differential screening

process in development of a multicellular organism by which cells become specialised for particular functions. Requires that there is selective expression of portions of the genome, the fully differentiated state may be preceded by a stage in which the cell is already programmed for differentiation but is not yet expressing the characteristic phenotype determination.


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Re: Elastic cytoplasm film.

... across a small aperture in a rigid sheet separating two chambers containing aqueous solutions. Such a system cannot withstand pressure differentials across the membrane, the planar lipid simply bows and pops. However, you cite a "cytoplasm film" separating the chambers rather ...

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by efteling7
Sat Apr 12, 2014 12:56 pm
 
Forum: General Discussion
Topic: Elastic cytoplasm film.
Replies: 2
Views: 40

Re: Elastic cytoplasm film.

... across a small aperture in a rigid sheet separating two chambers containing aqueous solutions. Such a system cannot withstand pressure differentials across the membrane, the planar lipid simply bows and pops. However, you cite a "cytoplasm film" separating the chambers rather ...

See entire post
by jonmoulton
Fri Apr 11, 2014 2:36 pm
 
Forum: General Discussion
Topic: Elastic cytoplasm film.
Replies: 2
Views: 40

Re: Why does consentration difference affect rate of diffusion?

... topic The equation you are looking for is Fick's equation http://www.tiem.utk.edu/bioed/webmodules/diffeq1.gif So ignore the differentials, the dc is the difference of concentration, the dx is the memberane thickness. The math is so simple that it explains itself.

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by david23
Thu Sep 09, 2010 4:34 am
 
Forum: Cell Biology
Topic: Why does consentration difference affect rate of diffusion?
Replies: 2
Views: 3057


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