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 term comes from the Latin roots re, for ârepeatâ or âagain,â and cadere, âto fall.â Recidivism is usually thought of as a falling back which reverses progress, and is sometimes also called backsliding for that reason.