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.
Cell culture involves growing cells from animals, plants, insects, and fungi in culture. This is done because it's easier to do experiments on individual cells than on animals. It's also easier to produce large quantities of proteins from cell cultures than from animals.