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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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Re: Chromatin

... total. After replication there are still 46 centromeres, but the mass of DNA and number of chromatids have doubled (and so you get the X-shaped ... have two molecules bound at each centromere after replication. During cell division, the centromeres separate into two parts, each travelling with ...

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by jonmoulton
Thu Sep 04, 2014 3:04 pm
 
Forum: Genetics
Topic: Chromatin
Replies: 2
Views: 883

Re: Cell and Molecular Revision Question Help!!!

This is what I have.. Consider the Vector (Mass of Vector): pBR328 (4.9 x 103) x 660 = 2.94x106 Daltons Given: Moles = Mass/MW Moles = 50 x 10-9g / 2.94x106 Moles = 17 x10-15 Each vector has two ends therefore x2 = x2 Therefore there are 34 x10-15 ...

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by Didact1
Mon Sep 30, 2013 10:02 pm
 
Forum: Molecular Biology
Topic: Cell and Molecular Revision Question Help!!!
Replies: 4
Views: 2775

Re: Help with indentifying object - can't narrow to even kingdom

... it forms a survival structure called a sclerotium. This hard-walled mass protects the dormant cells inside until better conditions for growth return. Inside the sclerotium, the plasmodium ...

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by Sadial
Fri Jul 26, 2013 6:29 pm
 
Forum: General Discussion
Topic: Help with indentifying object - can't narrow to even kingdom
Replies: 2
Views: 3789

Western Blot

... known as its molecular weight. When extracts are prepared from a cell, detergents can be used to make the proteins unfold into the linear ... be separated by an electric current strictly according to their overall mass. (1)

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by MarkHolland
Sat Mar 30, 2013 3:22 pm
 
Forum: Cell Biology
Topic: Western Blot
Replies: 6
Views: 3400

Idea to determine order of assembly of spliceosome

... and roughly determine the size of my marked RNA 5. Add RNA to mammalian cell extracts, e.g. HeLa 6. While the RNA undergoes maturing, I collect samples ... Somewhere along the line, one of the bars should start to increase in mass (we assume that we don't know the mass or other physical properties ...

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by nukeman
Mon May 28, 2012 7:48 pm
 
Forum: Molecular Biology
Topic: Idea to determine order of assembly of spliceosome
Replies: 15
Views: 7817
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