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 political doctrines of Vladimir llich Ulyanov (Lenin), founder of Bolshevism, architect of the current Soviet government, originator of the Comintern, and author of the imperative that the Soviets lead the proletariat of other nations to revolution and communism.