Stemcells - What is a cell? Fundamental unit of Life Made...

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Stem Cells, Cloning, and Other Political Sciences  23:18 What is a cell? Fundamental unit of Life Made up of Dna, proteins, RNa, lipids, metabolites You=100000000000000 of them Have a number of functions 200 different mature cells within the adult human body. What happen when cells die?  When they die when they aren’t that is when  you get a disease.  Ie Alzheimer’s (4 million), Parkinson’s, (1.5 million)  Huntington’s, etc. Zygote to a embryo, divides in a 2 n  fashion.  Then it become a pluipotent stem  cell and become a multipotent neural stem cell….become glia and neurons.  What is a stem cell 1) self-renewal 2) differentiation Neural/multipotent stem cell In humans the largest number of neurons are born between 5 weeks and 5  months after conception (peak rate-250000 neurons/min) Within 2 regions of the adult brain (the olfactory bulb…smell) where there is 
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This note was uploaded on 10/11/2009 for the course CHEM 3 taught by Professor Smith during the Spring '09 term at Aberystwyth University.

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Stemcells - What is a cell? Fundamental unit of Life Made...

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