Lithium Americas Corp. (LAC) closed the latest trading day at $2.76, indicating no change from the previous session's end. The stock trailed the S&P 500, which registered a daily gain of 0.67%. On the ...

The operon is regulated by Lac repressor, the product of the lacI gene, which is transcribed from its own promoter (PI). The repressor inhibits transcription by binding to the lac operator (O).

IT is tolerably well known that lac is a resinous substance secreted by a scale insect (family Coccidae) known as Laccifer lacca (Kerr.). The production of lac is virtually a monopoly of India and ...