abnswer

A microbiologist has been provided with a pure sample of an unknown microbe that is suspected to be Bacillus megaterium and must confirm its identity for the client. Use the diagnostic table below to suggest three key procedures that will allow the microbiologist to confirm the microbe as Bacillus megaterium. Bacillus Enterococcus Shigella Citrobacter Klebsiella Test Proteus vulgaris megaterium faecalis flexneri freundii pneumoniae Colony White, White, small, Cream, Grey, smooth, Colorless, Grey, circular, morphology concave, circular circular, convex smooth, flat dome-shaped smooth convex Cell shape Chain- Spheres Rods Rods forming rods Rods Rods Gram stain (+) (+) (-) (-) (-) (-) Catalase (+) (-) (+ ) ( + ) (+) (+ ) Motility agar (+) (+) (+) (-) TSI A/K A/A K/A A/A A/A A/A slant/butt (yellow/red) (yellow/yellow) (red/yellow) (yellow/black) (yellow/black) (yellow/yellow) TSI gas (-) (-) (-) (+) (+) (+ ) TSI H,S (-) (-) (-) (+) (+) (-) Starch hydrolysis (+) (-) (-) (-) (-) (-) B 1 U T ? 0 Word(S)