the data are discussed in relation to other studies of chromatin ultrastructure and are interpreted to indicate that the predominant , if not exclusive form of supranucleosomal packing existing in condensed inactive chromatin of living cells is a chromatin fibril made up of serially arranged , close-packed granular particles ( `` '' suprabeads '' '' sensu in [ 64 ] ) .
C0008546
chromatin
C0007634
cells