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 ...

The observations leading to the original formulation of the operon model are discussed. Since then the model has been tested and refined by a variety of methods, both genetical and biochemical, ...

The 92-year-old bacterial geneticist who helped pioneer the study of gene regulation has passed away. A series of rodent experiments showed that even with abundant food and water, personal space is ...