( Unknown Organism Proj…TestObservation/colorResult (+or -)OxidaseNo colorCatalaseBubbles+GlucoseYellow broth,+, withFermentationbubblegasLactoseYellow broth, no+, withoutFermentationbubblegasSucroseYellow broth,+, withFermemntationbubblegasMannitolbubbles+, withFermentationgasMethyl RedRed+(MR)Voges-YellowProskauer (VP)IndoleKovak’s reagent didnot change colorSulfideCloudy throughoutproductionStarchClear afterhydrolysisincubationBlack after additionof iodineCitrateMedium is blueutilizationUrea hydrolysisPink+PhenylalanineTube did not changedeaminationcolor after ferricchloride additionGelatinLiquid afterhydrolysisincubationBlack after additionof iodineNitrateDid not change+reductioncolor after reagentsA and B, and did notchange color afterreagent C (zinc)