Discuss the operon concept and its significance in prokaryotic gene regulation.

The operon concept is a fundamental principle in prokaryotic gene regulation, first introduced by François Jacob and Jacques Monod in 1961. It refers to a group of functionally related genes that are regulated and transcribed together as a single unit. In prokaryotes, such as bacteria, operons are a key mechanism by which cells efficiently control the expression of genes that encode proteins involved in related metabolic pathways or cellular processes.

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