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labyrinth fish
labyrinthine
labyrinthitis
labyrinthodont
LAC
lac (1)
lac (2)
lac insect
lac operon
laccolith
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lac operon
lac op·er·on [ làk óppə ròn ]


noun 
Definition:
 
gene sequence for enzymes digesting lactose: a sequence of genes occurring in many bacteria that are the genetic code for the enzymes that break down lactose to simpler sugars
[< shortening of lactose]
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