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.
DEFINITION of 'Encumbrance'. An encumbrance is a claim against a property by a party that is not the owner. An encumbrance can impact the transferability of the property and restrict its free use until the encumbrance is lifted.The most common types of encumbrance apply to real estate; these include mortgages, easements and property tax liens.t is a form of encumbrance because the lessor does not give up title to the property, but his or her use of the property is significantly constrained by the lease agreement. Lien. A lien is a type of security interest, an encumbrance that affects the title to a property.