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.
Report Abuse. Encumbrance Certificate is provided by the registration office. This is the certificate to show that there are no loans or mortgages on the said property. Buyers ask for this certificate when a new transfer is taking place, so that the buyer knows what all transactions have happened.The encumbrance certificate is to confirm that the property is still in the name of the person who is selling it. This certificate can be obtained in maximum 10 days time.uyers ask for this certificate when a new transfer is taking place, so that the buyer knows what all transactions have happened. The encumbrance certificate is to confirm that the property is still in the name of the person who is selling it.