Chemotaxis (from chemo- + taxis) is the movement of an organism in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment.
It will be good for up to six months, in the vacuum seal, if stored in the refrigerator. If frozen in the vacuum seal, it can last for about 1 year. Once the sample is removed from the vacuum seal, it should not remain at room temperature for more than 18 hours. It will keep in the refrigerator, unsealed, for 30 days.
How long does alcohol stay in your urine? Alcohol typically stays in the body for up to 24 hours after consumption, but specialized tests may be able to detect traces of alcohol even past that timeframe. For example, the EtG Urine Alcohol Test can detect urine in the body up to 80 hours after drinking.