Cell biology (formerly called cytology, from the Greek ÎºÏÏÎ¿Ï, kytos, vessel) is a branch of biology that studies the different structures and functions of the cell and focuses mainly on the idea of the cell as the basic unit of life.
(B) For a cylinder having a water capacity over 12 pounds-- (1) By hydrostatic test without determination of expansion (modified hydrostatic test method). A retest must be performed 12 years after the original test date and at 7-year intervals; or (2) By hydrostatic test using the water jacket method. A retest must be performed 12 years after the original test date and at 12-year intervals thereafter.
  It depends on the dosage u take and how long you have taken that dose usally its about 3-10 days but if your tring to pass a drug test eat alot and drink alot of water i â¦ t should be out within a couple of days.17 people found this useful.egardless of how long you have used hydrocodone, it will only be detected in a urine test for up to 12 to 80 hours. A hair follicle test is good for 6 months. 10 people found this useful. Edit.