Using cell cultures, the researchers are also discovering how TZDs work on a molecular basis.

BBC: News | Health | Bowel disease drug breakthrough

Scientists are on the verge of enabling us to attack diseases almost on an individual basis, thanks to molecular and genetic research breakthroughs.

FORBES: Fact and Comment

And Kim may be ideally suited for the job because of his wide knowledge of molecular biology, a field being transformed by new understanding of the chemical basis of life.

FORBES: Peter Kim To Head Merck's Labs

In cells, enzymes are the basis of the natural circuits that switch genes on and off, maintain biological rhythms and produce molecular answers in response to environmental stimuli.

ECONOMIST: DNA computing