The introduction of foreign DNA sequences into mammalian cells mediated by DNA transfection is a basic method in modern molecular biology. (Google)
And they come from diverse backgrounds: not only physiologists but also physicists, molecular biologists and mathematicians are attracted into neuroscience which threatens to displace physics and even molecular biology as the queen of the sciences. (Google)
The revolution that resulted in molecular biology enabled us to begin to understand many of the processes in the cell at the molecular level, although it must be stressed that we have a long way to go. (Google)