19.2 The nucleosome is the subunit of all chromatin Figure 19.2 Individual nucleosomes are released by digestion of chromatin with micrococca nuclease. The bar is 100 nm. Photograph kindly provided by Pierre chambon 消当Figure 19.2 Individual nucleosomes are released by digestion of chromatin with micrococcal nuclease. The bar is 100 nm. Photograph kindly provided by Pierre Chambon. 19.2 The nucleosome is the subunit of all chromatin