The genes lacZ, lacY and lacA are transcribed from a single promoter (P) that produces a single mRNA from which the three proteins are translated. The operon is regulated by Lac repressor, the product ...

This is a preview. Log in through your library . Abstract We have cloned a DNA fragment harboring the genes for ribosomal proteins L2, L4, and L23 on a plasmid vector that contains a lac operator and ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 86, No. 14 (Jul. 15, 1989), pp. 5400-5404 (5 pages) Systems that stringently regulate the expression of individual ...

Aranan Tarih Aralığı: 2025-9-17 / 2025-09-18 Aranan Kelime: the likely outcome from a mutation in the laco site lac operator of the lac operon would be multiple choice binding of the activator protein ...

TORONTO (Reuters) - The Quebec government said on Monday it was seeking some C$409 million ($377 million) from Montreal, Maine and Atlantic, the insolvent rail operator at the center of the rail ...

Drivers, Engineers, and Support Teams for Bedfordshire’s biggest bus operator have been encouraged to get on board a ...

TORONTO, June 16 (Reuters) - The Quebec government said on Monday it was seeking some C$409 million ($377 million) from Montreal, Maine and Atlantic, the insolvent rail operator at the center of the ...