21.   Chemical reactions in a living cell are guided by biological catalysts known as enzymes.

22.   Dasgupta said the yeast molecule should be completely benign to living human cells.

23.   Cytokinetics is one of a handful of biotech firms that has designed automated systems for peeking inside living cells.

24.   DNA in living cells is under constant attack from chemicals and radiation.

25.   DNA is the genetic material present in all living cells.

26.   DNA, for deoxyribonucleic acid, is the molecule that carries the hereditary information of living cells.

27.   DNA, or deoxyribonucleic acid, is the master building code for all genetic material and is found in virtually all living cells.

28.   Eventually, they reach living cells in the epidermis and dermis, where they meet up with a slew of new chemical partners.

29.   Far more ambitious are efforts to meld machines and living cells being undertaken now in several areas of research.

30.   Fay did innovative research on smooth muscle, and he helped develop a digital imaging microscope to observe living cells in action.