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 pizza stay good for in the refrigerator? Pizza can remain refrigerated for approximately 2-3 days.   Pizza can stay good in the fridge for about three days. i make a 2 gallon jug at a time as soon as it boils i add a pinch of baking soda for freshness it doesn't turn for a good 5 days.