BIS 104 PQ 2 ans Spring 2010

BIS 104 PQ 2 ans Spring 2010 - have exactly the same...

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BIS 104 PQ 2 ans Spring 2010 2. What are the features of the nematode C. elegans that make it a good model for studying cell differentiation and tissue morphogenesis? The nematode C. elegans is an ideal model for studying cell differentiation because the lineage (origin and fate) of every cell (from fertilized egg to adult) in the body of this organism has been mapped by time-lapse microcinematography. Each individual of this species has exactly the same number of cells and the cells in each individual
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Unformatted text preview: have exactly the same function. In addition to having a short generation time, the organisms are relatively transparent so that specific labeling and microscopic techniques allow one to look inside a living eukaryotic organism and literally see what each cell is doing in real time. They are particularly useful for studying the phenomenon of programmed cell death and the mechanism of apoptosis. Since consistent numbers and types of cells are fated to die in a predictable pattern....
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