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labyrinth fish
labyrinthine
labyrinthitis
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LAC
lac (1)
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World English Dictionary
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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
]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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