What is a clinical application of the catalase test? What is a clinical application of the...
What is a clinical application of the catalase test?
What is a clinical application of the oxidase test?
Why do you think some bacteria produce gas during fermentation and others do not?
Homework Answers
Catalased test is used for the identification of enterobactericae bacterium that cause many diseases.
Oxidase test is used for the identification of bacteria that produce cytochrome C oxidases in the clinical application.
Some bacteria produce gas during fermentation because they perform alcoholic fermentation during which carbon dioxide gas is released whereas some bacteria perform lactic acid fermentation where no gas is released.
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What is a clinical application of the catalase test?
What is a clinical application of the...
OXIDASE REAGENT POS NEG What does the positive test result indicate? Select one: a. bacteria that...
OXIDASE REAGENT POS NEG What does the positive test result indicate? Select one: a. bacteria that produce catalase b. bacteria that produce cytochrome C oxidase c. bacteria that ferment lactose d. All of the answers are correct
aeruginosa 4. Which families of organisms are differentiated by the Oxidase test? What reagent is used...
aeruginosa 4. Which families of organisms are differentiated by the Oxidase test? What reagent is used to test for Oxidase? 5. Which families of organisms are differentiated by the Catalase test? What is a positive test for catalase? 6. What substrate is used to test for the presence of the Coagulase enzyme? What does Coagulase do for a bacteria that has it?
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced...
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced by aerobic and facultative anaerobes to survive in the presence of oxygen? • What is the function of catalase? • What is reagent used for checking the presence of catalase? • What is the molecule that bubble out in a positive catalase test? EX 5-6: Oxidase Test Pre-lab questions • What is the purpose of oxidase test? • What is the function of oxidase...
What does a positive result of a bacterial "catalase" test look like? What's in it that...
What does a positive result of a bacterial "catalase" test look like? What's in it that makes it look like so? Select one: O a. The small clump of bacteria appear at the bottom of the tube of test broth. The color of the broth turns deep red, showing acidic substance is being secreted by the bacteria b. The small clump of bacteria makes bubbles/ foams, and it is oxygen gas that's in the bubbles O c. The agar turns...
What are the Selective Agents in the followings Micro Biology Tests * Oxidase Test *Catalase Test...
What are the Selective Agents in the followings Micro Biology Tests * Oxidase Test *Catalase Test *Methyl Red Test *Voges-Proskaurer Test *Sulfur Reduction Test *Citrate Utilization Test *Nitrate Reduction Test *Motility Test *Indole Production Test
Test Purpose Reagents Observation Results Gram To determines the identify the bacteria as a gram positive...
Test Purpose Reagents Observation Results Gram To determines the identify the bacteria as a gram positive or a gram negative. Crystal violet, iodine, Alcohol ,safranin Pink rods Gram negative rods Oxidase To determine the presence of cytochrome oxidase enzyme . Oxidase paper Lactose To determine if the bacteria can ferment carbohydrate . None Indole Test To determine the bacteria’s ability to decompose amino acid tryptophane to indole. Kovac added to1ml of trypotone broth Optimum Temp To determine the bacteria’s ability...
In the clinical setting what is the main objective of performing lab tests such as the...
In the clinical setting what is the main objective of performing lab tests such as the oxidase or catalase assays
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during...
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during the degradation of H202 by catalase, you will first do trials using the set-up in Fig. 1. 1. Place 10 ml of the 3% hydrogen peroxide solution into a clean bottle 2. Add quickly catalase containing solution. 3. What gas is being released? 4. Throughout this investigation you will estimate the rate of the reaction (by measuring the volume of water displaced by O2...
a catalase test is usually not performed on bacteria growing on a blood agar plate. Why...
a catalase test is usually not performed on bacteria growing on a blood agar plate. Why not?
Which groups of bacteria produce catalase & SOD? Why is it necessary to do so?
Which groups of bacteria produce catalase & SOD? Why is it necessary to do so?
OXIDASE REAGENT POS NEG What does the positive test result indicate? Select one: a. bacteria that produce catalase b. bacteria that produce cytochrome C oxidase c. bacteria that ferment lactose d. All of the answers are correct
aeruginosa 4. Which families of organisms are differentiated by the Oxidase test? What reagent is used to test for Oxidase? 5. Which families of organisms are differentiated by the Catalase test? What is a positive test for catalase? 6. What substrate is used to test for the presence of the Coagulase enzyme? What does Coagulase do for a bacteria that has it?
UNTUWI Pre-lab Respiration Tests Ex 5-5: Catalase Test Pre-lab questions: What are the two enzymes produced by aerobic and facultative anaerobes to survive in the presence of oxygen? • What is the function of catalase? • What is reagent used for checking the presence of catalase? • What is the molecule that bubble out in a positive catalase test? EX 5-6: Oxidase Test Pre-lab questions • What is the purpose of oxidase test? • What is the function of oxidase...
What does a positive result of a bacterial "catalase" test look like? What's in it that makes it look like so? Select one: O a. The small clump of bacteria appear at the bottom of the tube of test broth. The color of the broth turns deep red, showing acidic substance is being secreted by the bacteria b. The small clump of bacteria makes bubbles/ foams, and it is oxygen gas that's in the bubbles O c. The agar turns...
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during the degradation of H202 by catalase, you will first do trials using the set-up in Fig. 1. 1. Place 10 ml of the 3% hydrogen peroxide solution into a clean bottle 2. Add quickly catalase containing solution. 3. What gas is being released? 4. Throughout this investigation you will estimate the rate of the reaction (by measuring the volume of water displaced by O2...
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