Meanwhile, if you're heading to a destination or an out-of-town wedding, it's probably OK to spend less on the gift, said Hill. But you should still give something; Hill noted that guests can't simply say that their attendance is gift enough.
Cell culture. Cell culture, the maintenance and growth of the cells of multicellular organisms outside the body in specially designed containers and under precise conditions of temperature, humidity, nutrition, and freedom from contamination.
Modern results have extended the range of gene transfer by particle bombardment to animal and bacterial cells. One remarkable newer application is the direct insertion of genes into the organs of living animals. A cell culture is a way to grow and maintain cells outside of a body, usually within a cell incubator.