Leo Pavin*
Genetic expression is a fundamental process that governs how genes in our DNA are activated or silenced, ultimately shaping our traits, physiology, and overall biological functioning. This intricate process involves a complex network of molecular interactions and regulatory mechanisms that control when and to what extent genes are transcribed into functional molecules such as proteins. This article aims to delve into the fascinating world of genetic expression, shedding light on the mechanisms involved, their significance in various biological processes, and the factors that influence gene regulation. Histone modifications refer to chemical alterations of proteins called histones, which play a crucial role in organizing and packaging DNA. These modifications can activate or suppress gene expression by altering the accessibility of genes to transcription factors. Additionally, non-coding RNA molecules, once considered "junk DNA," have emerged as key players in gene regulation. They can interfere with gene expression by binding to RNA molecules or chromatin and modulating gene activity.
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