Jacob Ja·cob (zhä-kôb'), François. Born 1920.
French geneticist. He shared a 1965 Nobel Prize for the study of regulatory activity in body cells.
|Jacob (zhä-kôb') Pronunciation Key
French geneticist who studied how genes control cellular activity by directing the synthesis of proteins. With Jacques Monod, he theorized that there are genes that regulate the activity of other, neighboring genes. They also proposed the existence of messenger RNA.