Abstract histones and their modifications are critically important epigenetic mechanisms involved in the regulation of gene expression there are many different posttranslational modifications on histone tails that are currently identified and more being discovered. Regulation of gene expression includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products protein or rna and is informally termed gene regulationsophisticated programs of gene expression are widely observed in biology for example to trigger developmental pathways respond to environmental stimuli or adapt to new food sources. We learned about gene expression in biochemistry which is comprised of transcription and translation and referred to as the central dogma of molecular biology but how is this process . Discuss different components and types of epigenetic gene regulation eukaryotic gene expression is more complex than prokaryotic gene expression because the processes of transcription and translation are physically separated unlike prokaryotic cells eukaryotic cells can regulate gene expression at many different levels
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