Histones play a role in packaging DNA into nucleosomes, and they are the main protein in chromatin. In addition, gene expression can be regulated by histones. Genes that are silenced are bound very tightly to a lot of histones, while those that are active are not. Modifications to histones are referred to as the histone code.
Definition of bolshevism. 1 : the doctrine or program of the Bolsheviks advocating violent overthrow of capitalism.
The Bolsheviks , originally also Bolshevists or Bolsheviki ( Russian : Ð±Ð¾Ð»ÑÑÐµÐ²Ð¸ÐºÐ¸ , Ð±Ð¾Ð»ÑÑÐµÐ²Ð¸Ðº ( singular ) ; IPA : [ bÉlÊ²ÊÉ¨ËvÊ²ik ] ; derived from Ð±Ð¾Ð»ÑÑÐ¸Ð½ÑÑÐ²Ð¾ bol'shinstvo ,  majority  , literally meaning  one of the majority  ) were a faction of the Marxist Russian Social Democratic Labour Party ( RSDLP ) which split apart from the Menshevik ...