Tsi agar slant Study guides, Class notes & Summaries

What sugars does triple sugar iron agar contain? correct answer: 1% Lactose 1% Sucrose 0.1% Glucose (Dextrose) What is TSI used for? correct answer: To differentiate enterics based on the ability to reduce sulfur and ferment carbohydrates What is fermented with a red (alkaline) slant and a yellow (acid) deep? (K/A) correct answer: Only glucose What is fermented with a yellow (acid) slant and a yellow (acid) deep? correct answer: Glucose and Lactose and/or Sucrose What is fermen...

TSI Agar Exam 49 Questions with Verified Answers What is the agar used in the Triple Sugar Iron Agar - CORRECT ANSWER TSI (triple sugar agar medium) slant medium What does the TSI agar diffrentiate - CORRECT ANSWER it differentiates bacteria based on sulfur reduction and glucose, lactose, and sucrose fermentation What is the substrate used in the TSI experiment? - CORRECT ANSWER Sodium thiosulfate What is the enzyme used in the TSI experiment - CORRECT ANSWER Thiosulfate reductase ...

Triple Sugar Iron Agar (TSI) Questions and Answers 100% correct What is the TSI test used to determine? It is used to determine fermentation and sulfur reduction in Gram negative enteric bacteria What are the 3 sugars used in the TSIA test? Sucrose (present in high concentrations) Lactose (present in high concentrations) Glucose (present in low concentrations) K/A H2S+ K/K H2S- K/A H2S- A/A H2S- Control Sucrose Disaccharide Lactos...

Triple Sugar Iron Test Exam 38 Questions with Verified Answers For what bacteria would you use the TSI test? - CORRECT ANSWER Gram negative bacilli such as enterobacteriaceae. How would you identify an acidic slant? - CORRECT ANSWER If the slant goes from red to yellow on the phenol red. Why is there more lactose and sucrose in TSI agar than glucose? - CORRECT ANSWER In order to distinguish bacteria that can only ferment glucose from bacteria that ferment lactose and sucrose. It will al...

Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams, 100% Accurate Answers provided. Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams, 100% Accurate Answers provided. 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you c...

PORTAGE LEARNING BIOD 171 LAB EXAM 1-9 LAB 1 Answer the following questions 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your...

Triple Sugar-Iron Agar Test Questions with Verified Answers Gram- - CORRECT ANSWER Is TSI gram+ or gram- used to differentiate members of Enterobacteriacea and to distinguish them from other gram- rods - CORRECT ANSWER What is the application of TSI? 1 glucose, lactose & sucrose 2 animal protein 3 ferrous sulfate 4 sodium thiosulfate 5 phenol red - CORRECT ANSWER What is the media in TSI (triple sugar iron) carbohydrate for fermentation - CORRECT ANSWER What is the purpose of glucose...

TSI (Triple Sugar Iron) Test 32 Questions with Verified Answers List the tests that are involved with TSI. - CORRECT ANSWER H2S Gas and Carbohydrate Fermentation What is the media for H2S Gas? - CORRECT ANSWER TSI agar What method do you use to place content on the media? - CORRECT ANSWER stab and drag motion what is the substrate for H2S gas? - CORRECT ANSWER cystein What is the product for H2S gas? - CORRECT ANSWER H2S What is the reagent for H2S gas? - CORRECT ANSWER iron in...

TSI Tests 37 Questions with Verified Answers Red slant/ yellow butt - CORRECT ANSWER Glucose only. Protein used in slant Yellow slant/yellow butt - CORRECT ANSWER -Glucose + -Lactose and sucrose + Red slant/ red butt - CORRECT ANSWER -no fermentation Protein catabolized throughout Red slant only - CORRECT ANSWER Aerobic digestion of protein only No change in slant or butt - CORRECT ANSWER Slow or no growth Yellow slant/red butt - CORRECT ANSWER Not possible Black precipita...

What color(s) was the TSI agar slant containing Salmonella? red slant, yellow bottom and no gas production. Yellow and Black. The agar slant was yellow at the bottom while black on the sloped gradient portion of the agar.