Homework Answers
Gelatinase is responsible for this positive test result.
Enzyme gelatinase is used to hydrolyse gelatin into simple components. In order to check whether the organism produces gelatinase or not, nutrient gelatin medium is used. If the gelatinase is present then it liquifies the nutrient gelatin medium by hydrolyzing the gelatin (chief component in the medium).
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What is the enzyme that is responsible for this positive test result? Select one: a. Cytochrome...
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
х Match the enzyme left) with the POSITIVE result right) Catalase 2 Cytochrome Oxidase 1. "Snot...
х Match the enzyme left) with the POSITIVE result right) Catalase 2 Cytochrome Oxidase 1. "Snot appearance thick mucus like fluid produces bubbles when treated with hydrogen peroxide 3. slide turns "purple" within 15 seconds 4 slide turns purple" no sooner than 15 seconds turns purple after 15 seconds) Coagulase Question 2 (1 point) The substrate for urease is urea, If urease is present, the urea agar slant should appear pink. True False ER 2 F G А. S N...
A. Cytochrome c oxidase is an enzyme found in bacteria that also possess a(n). (located in...
A. Cytochrome c oxidase is an enzyme found in bacteria that also possess a(n). (located in their inner cell membranes). B. Which of the two organisms shown is positive for the production of cytochrome c 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...
The results of the following unknown bacteria sample would be: A B. Select one: a. Oxidase...
The results of the following unknown bacteria sample would be: A B. Select one: a. Oxidase positive and catalase positive b. Oxidase negative and catalase positive c. Oxidase positive and catalase negative d. Oxidase negative and catalase negative
Mitochondrial enzyme- cytochrome c oxidase activity lab 1. What are the four main components of complex...
Mitochondrial enzyme- cytochrome c oxidase activity lab 1. What are the four main components of complex 4 or cytochrome c oxidase? 2. What happened to the absorption 55nm after addition of mitochondrial preparation and why?
In a casein agar test, a bacterial species grows well on the agar, and creates a...
In a casein agar test, a bacterial species grows well on the agar, and creates a clear zone around its colonies. This bacterium must be: NEG POS Select one: a. releasing proteinase enzymes into its surroundings. b. oxidase enzyme positive as well. C. utilizing citrate as its main source of carbohydrate. d. able to turn SIM agar to black in color.
c. Cellular respiration tests: Catalase.: positive result look like? positive result tell you about the organism?...
c. Cellular respiration tests: Catalase.: positive result look like? positive result tell you about the organism? you use for this test? What does a What does a What solution did Oxidase.: What is this test detecting? if an organism is negative? that allows you to determine if an organism is What does it mean What is in the strip positive? Nitrate Reduction: What does this test look for? What does a positive test look like? What does a negative result...
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...
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?
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
х Match the enzyme left) with the POSITIVE result right) Catalase 2 Cytochrome Oxidase 1. "Snot appearance thick mucus like fluid produces bubbles when treated with hydrogen peroxide 3. slide turns "purple" within 15 seconds 4 slide turns purple" no sooner than 15 seconds turns purple after 15 seconds) Coagulase Question 2 (1 point) The substrate for urease is urea, If urease is present, the urea agar slant should appear pink. True False ER 2 F G А. S N...
A. Cytochrome c oxidase is an enzyme found in bacteria that also possess a(n). (located in their inner cell membranes). B. Which of the two organisms shown is positive for the production of cytochrome c 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...
The results of the following unknown bacteria sample would be: A B. Select one: a. Oxidase positive and catalase positive b. Oxidase negative and catalase positive c. Oxidase positive and catalase negative d. Oxidase negative and catalase negative
In a casein agar test, a bacterial species grows well on the agar, and creates a clear zone around its colonies. This bacterium must be: NEG POS Select one: a. releasing proteinase enzymes into its surroundings. b. oxidase enzyme positive as well. C. utilizing citrate as its main source of carbohydrate. d. able to turn SIM agar to black in color.
c. Cellular respiration tests: Catalase.: positive result look like? positive result tell you about the organism? you use for this test? What does a What does a What solution did Oxidase.: What is this test detecting? if an organism is negative? that allows you to determine if an organism is What does it mean What is in the strip positive? Nitrate Reduction: What does this test look for? What does a positive test look like? What does a negative result...
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...
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?
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