Cell Cycle

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Anatomy and Cell Biology
Anatomy and Cell Biology 4429A
Paul Walton

Undifferentiated promyelocytes become differentiated when adding retinoic acid Pit in the intestinal epithelium Paneth cells secrete antimicrobrial peptides and they digest bacteria as well Stem cells are located herethey are going to give rise to all the rest of these cells The expression of Pak7 allows the cell to be able to differentiate into other cells As the cell becomes more differentiated Pak7 expression decreases and the expression of other proteins increases In the muscle cell expression of musclespecific genes helps it differentiate into a muscle cell Methylationmaking DNA that cant be methylated This is significant because genes that are methylated cannot be turned on Since youre blocking methylation you are blocking the cells from being turning off These genes can then be analyzed for RNAI have to stop the process of cell division Allows you to pick out genes that were being expressed Two types of mRNA Redone of the mRNAs that is
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