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.
3 to 5 days depending on the amount taken. i wouldn't recomend it to anyone not perscribed.   Of course it stays in your system for some amount of time.   You mean how â¦ long does it stay in your system?   1-5 days depending on a lot of factors.Plus it's an odd one to test for.mproved answer: I have been researching this for a bit now (I just tested positive for alcohol in a urine test) and while the one hour rule is good to use for say a breathalyzer or for a limit while driving, unfortunately this is not the case when you are about to take a urine test.