The oxidase test is used to identify bacteria that produce cytochrome c oxidase, an enzyme of the bacterial electron transport chain. (note: All bacteria that are oxidase positive are aerobic, and can use oxygen as a terminal electron acceptor in respiration.This does NOT mean that they are strict aerobes.he oxidase test is used to identify bacteria that produce cytochrome c oxidase, an enzyme of the bacterial electron transport chain. (note: All bacteria that are oxidase positive are aerobic, and can use oxygen as a terminal electron acceptor in respiration. This does NOT mean that they are strict aerobes.
An encumbrance is an estimate of the salary and benefit expense which will occur for the future. Salary and benefit expense encumbrances are generated semi-monthly. Negative encumbrances (liquidations) reverse the prior semi-monthly period encumbrance by changing (reversing) the sign. Encumbrances are only generated for salaried appointments.
encumbrance (incumbrance) n. a general term for any claim or lien on a parcel of real property. These include: mortgages, deeds of trust, recorded abstracts of judgment, unpaid real property taxes, tax liens, mechanic's liens, easements, and water or timber rights. While the owner has title, any encumbrance is usually on record (with the County Recorder or Recorder of Deeds) and must be paid for at some point.