Lab 21 QUESTION WITH COMPLETE SOLUTION 2023

Lab 21 QUESTION WITH COMPLETE SOLUTION 2023Enteric Family of Bacteria Bacteria used for TSI test Prevent false positive or negative reactions and to allow time for the enzyme to act on the substrate TSI observations must be made 18-24 hours after inoculation because.... Acid slant: yellow, fermentation of glucose and lactose and/or sucrose. High concentration creates excessive acid formation Alkaline slant: red, limited glucose in the medium and limited acid formation Difference between acid and alkaline slant Produce H2S detection Purpose of thiosulfate in the TSI agar Microorganisms that can break the glycosidic bonds in carbohydrates Meaning of a Saccharolytic Bacterium Microorganisms that can ferment most sugars in a medium Reaction a saccharolytic bacterium would give in a TSI tube.