: the operon which controls lactose metabolism and has been isolated from E. coli
Cite this Entry
“Lac operon.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lac%20operon. Accessed 30 Sep. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
