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.
A Deferral, in accrual accounting, is any account where the asset or liability is not realized until a future date (accounting period), e.g. annuities, charges, taxes, income, etc. The deferred item may be carried, dependent on type of deferral, as either an asset or liability.See also accrual.eferred revenue (or deferred income) is a liability, such as cash received from a counterpart for goods or services that are to be delivered in a later accounting period. When such income item is earned, the related revenue item is recognized, and the deferred revenue is reduced.