In the Introduction to the Derivative video we introduce the notion of the derivative of a function and explain how the derivative captures the instantaneous rate of change of a function. In the ...
Embryonic stem (ES) cells have a globally 'open' and dynamic chromatin state. Histone H3 lysine 4 trimethylation (H3K4me3) and H3K27me3 'bivalency' is observed in ES cells that are cultured in the ...