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Cell lineage

Cell lineage

(Science: cell culture, embryology) The lineage of a cell relates to its derivation from the undifferentiated tissues of the embryo.

Committed embryonic progenitors give rise to a range of differentiated cells: in principle it should be possible to trace the ancestry lineage) of any adult cell.

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Living or not? (viruses,viroids and prions).

... its host, the viral genome carried a lot of genes that replaced basic cellular functions, including some involved in DNA repair and the manufacturing ... and find that they branch off right at the base of the the eukaryotic lineage. In other words, the viruses seem to have had a common ancestor ...

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by Sumanth001
Sun Dec 08, 2013 12:37 pm
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 18137

Sarcoma vs Carcinoma

... tumour that has the origin in the mesoderm? (e.g. A tumor of the blood cell lineage, bone marrow, are also considered sarcoma? A tumour of mesothelium is also a sarcoma?) ...

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by kk
Mon Nov 28, 2011 4:50 pm
Forum: Human Biology
Topic: Sarcoma vs Carcinoma
Replies: 0
Views: 2075

Re: Yeast Mating Type Switching

Cell divisions that produce progeny differing in their patterns of gene expression are key ... suggest that localization of mRNA may have been an early property of the eukaryotic lineage.

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by fiona1985
Mon Aug 15, 2011 10:30 am
Forum: Cell Biology
Topic: Yeast Mating Type Switching
Replies: 3
Views: 7096

Re: Theories - Origin of Life

... hypothesis proposes that eukaryotes arose from a long-vanished lineage of "chronocytes", one of which engulfed an archaean that ... of a paper that appeared in PNAS entitled The origin of the eukaryotic cell: A genomic investigation http://biologia.uab.es/biocomputacio/treballs0203/S_Serrano/articulo%20endo.htm ...

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by scottie
Thu Jul 28, 2011 10:06 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1135160

tumor metastasis

No - metastases are all mutated forms of the cells of the original tissue from which they derived. Cancer is a single cell lineage. (Unless you're really unlucky and get a second lot of critical, transforming mutations in a ...

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by Julie5
Sat Nov 06, 2010 1:58 pm
Forum: Cell Biology
Topic: tumor metastasis
Replies: 1
Views: 6183
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