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Inner cell mass

Inner cell mass

a group of cells found in the mammalian blastocyst that give rise to the embryo and are potentially capable of forming all tissues, embryonic and extra embryonic, except the trophoblast.


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Stem and Progenitor Cell Questions

I shall try to answer. 1. Stem cells are totipotent in that they can be made to be any cell in the organism. Totipotent ... the cell has begun and the cells when pulled apart will follow only a lineage (a mass of mesencymal tissue, or endodermal tissue, or ectodermal tissue). 3. All I know ...

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by kolean
Wed Sep 02, 2009 11:08 pm
 
Forum: Cell Biology
Topic: Stem and Progenitor Cell Questions
Replies: 2
Views: 30

Why do you keep talking about species

... 100,000+ Cnidaria Stinging nettle Coelenterates Nematocysts (stinging cells) about 11,000 Ctenophora Comb bearer Comb jellies Eight "comb ... Orthonectida Straight swim Single layer of ciliated cells surrounding a mass of sex cells about 20 Phoronida Zeus's mistress Horseshoe worms U-shaped ...

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by gamila
Mon Jun 29, 2009 5:35 pm
 
Forum: Evolution
Topic: Why do you keep talking about species
Replies: 20
Views: 583

definition for the word/verb pellet

In cell/molecular biology, the noun 'pellet' means a solid and visible mass of molecules or particles (such as proteins, nucleic acids or cells), which is typically obtained from a liquid ...

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by biohazard
Thu Jun 25, 2009 11:36 am
 
Forum: General Discussion
Topic: definition for the word/verb pellet
Replies: 2
Views: 110

Re: gel electrophoresis & assays help please

... the 3 s are replicates using protein / enzyme isolates from the extracellular media and the 3 c's are proteins isolated from the cytosol in p53 ... in c and s 1-8. get the glucose into units by dividing my its molecular mass and convert to seconds from the hour. divide this by the values derived ...

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by RachBio
Sun Feb 08, 2009 9:26 pm
 
Forum: Molecular Biology
Topic: gel electrophoresis & assays help please
Replies: 6
Views: 869

Surface Area & Volume

... argument for not getting bigger? For every increase in the radius of a cell (assuming sphericity for simplicity), the surface area increases by ... you want to keep the volume as small as practical to minimize the total mass of "stuff" you need to keep the cell going.

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by blcr11
Thu Oct 30, 2008 2:03 pm
 
Forum: Cell Biology
Topic: Surface Area & Volume
Replies: 1
Views: 1108
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