What are the metabolic products being tested for in the methyl-red and Voges-Proskauer test?
What are the metabolic products being tested for in the methyl-red and Voges-Proskauer test?
Homework Answers
Methyl red test measures the production of acid, produced through the fermentation of glucose, by means of measuring pH of the media.
And Voges-Proskauer test measures the presence of acetylmethyl carbinol resulted from the fermentation of glucose and it is indicated by the appearance of cherry red color.
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What are the metabolic products being tested for in the
methyl-red and Voges-Proskauer test?
How is it possible to detect methyl red test and Voges-Proskauer test using the same media?
How is it possible to detect methyl red test and Voges-Proskauer test using the same media?
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species...
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species isolated from drinking water, she is most probably concerned about what form of contamination? A. fermentative B. fecal C. industrial waste D. antibiotic resistant bacteria
A microbe produced positive methyl red results and negative Voges-Proskauer results. What may be concluded about...
A microbe produced positive methyl red results and negative Voges-Proskauer results. What may be concluded about the microbe's metabolism? The microbe respires aerobically. The microbe produces mixed acids but does not use the butanediol pathway. The microbe uses the butanediol pathway but does not produce mixed acids. The microbe produces mixed acids and uses the butanediol pathway.
Methyl Red and Voges-Proskauer Tests OBSERVATIONS AND INTERPRETATIONS 5-3 1 Refer to Tables 5-3 and 5-4,...
Methyl Red and Voges-Proskauer Tests OBSERVATIONS AND INTERPRETATIONS 5-3 1 Refer to Tables 5-3 and 5-4, page 290, as you record your results (color) and interpretations in the table below Organism Uninoculated control MR Result VP Result Interpretation QUESTIONS Some protocols call for a shorter incubation time for the MR and VP tests. Other protocols alloue for up to 10 days incubation with virtually no risk of producing a false positive. a. Which of the two tests would likely produce...
In the blank provided for each biochemical test write a general chemical equation that describes each...
In the blank provided for each biochemical test write a general chemical equation that describes each test, circle the end product that is detected by the reagents added to the test, and state the color of a positive result 1. Catalase Production (5-5) Hydrogen Peroxide Voges-Proskauer (5-4) Methyl red (5-4) Phenol Red Glucose (5-3) Phenol Red Lactose (5-3) Nitrate Reduction (5-8) Water 02 Clear
8. An isolate of Streptococcus found to be sensitive to O positive for bile solubility test...
8. An isolate of Streptococcus found to be sensitive to O positive for bile solubility test is likely ptochin after incubation on blood agar plate and A. B. Streptococcus pyogenes C. Viridans Streptococcus D. Streptococcus pneumoniae E. Group D enteric Streptococcus treptococcus 9. Which of these test reactions will produce alkaline end products? A. Nitrate reduction and Oxidase tests B. Amylase activity and Lipase activity tests C. Methyl red and Voges Proskauer tests D. Citrate Utilization and Urease tests E....
Methyl Red Methyl Red ve MR/V/P Questions For MR Test what does red mean? Which bacteria...
Methyl Red Methyl Red ve MR/V/P Questions For MR Test what does red mean? Which bacteria is positive for MR? For VP, which acid are we detecting? B A Can a bacteria be positive for both MR and VP?
15 A sample of a weak acid was tested with three pH indicators giving the toliowing results Red with Methyl Red Gre...
15 A sample of a weak acid was tested with three pH indicators giving the toliowing results Red with Methyl Red Green with Bromophenol Blue Orange with Methyl Orange Therefore the pH range for this sample is o a 30-6.2 e b.3.0 -4.4 O c 3.5-60 o d. 2.8-4.4
15 A sample of a weak acid was tested with three pH indicators giving the toliowing results Red with Methyl Red Green with Bromophenol Blue Orange with Methyl Orange Therefore the...
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
5. A rainwater sample shows a yellow color when tested with both methyl red and bromthymol...
5. A rainwater sample shows a yellow color when tested with both methyl red and bromthymol blue. What is the approxi. mate pH of the sample? Is it acidic, basic, or neutral? 6. Calculate the pH of a solution with [OH-] = 1.0 x 10-6
If a scientist performed the Indole, Methyl Red, Voges-Proskauer, and Citrate tests on a bacterial species isolated from drinking water, she is most probably concerned about what form of contamination? A. fermentative B. fecal C. industrial waste D. antibiotic resistant bacteria
Methyl Red and Voges-Proskauer Tests OBSERVATIONS AND INTERPRETATIONS 5-3 1 Refer to Tables 5-3 and 5-4, page 290, as you record your results (color) and interpretations in the table below Organism Uninoculated control MR Result VP Result Interpretation QUESTIONS Some protocols call for a shorter incubation time for the MR and VP tests. Other protocols alloue for up to 10 days incubation with virtually no risk of producing a false positive. a. Which of the two tests would likely produce...
In the blank provided for each biochemical test write a general chemical equation that describes each test, circle the end product that is detected by the reagents added to the test, and state the color of a positive result 1. Catalase Production (5-5) Hydrogen Peroxide Voges-Proskauer (5-4) Methyl red (5-4) Phenol Red Glucose (5-3) Phenol Red Lactose (5-3) Nitrate Reduction (5-8) Water 02 Clear
8. An isolate of Streptococcus found to be sensitive to O positive for bile solubility test is likely ptochin after incubation on blood agar plate and A. B. Streptococcus pyogenes C. Viridans Streptococcus D. Streptococcus pneumoniae E. Group D enteric Streptococcus treptococcus 9. Which of these test reactions will produce alkaline end products? A. Nitrate reduction and Oxidase tests B. Amylase activity and Lipase activity tests C. Methyl red and Voges Proskauer tests D. Citrate Utilization and Urease tests E....
Methyl Red Methyl Red ve MR/V/P Questions For MR Test what does red mean? Which bacteria is positive for MR? For VP, which acid are we detecting? B A Can a bacteria be positive for both MR and VP?
15 A sample of a weak acid was tested with three pH indicators giving the toliowing results Red with Methyl Red Green with Bromophenol Blue Orange with Methyl Orange Therefore the pH range for this sample is o a 30-6.2 e b.3.0 -4.4 O c 3.5-60 o d. 2.8-4.4
15 A sample of a weak acid was tested with three pH indicators giving the toliowing results Red with Methyl Red Green with Bromophenol Blue Orange with Methyl Orange Therefore the...
5. A rainwater sample shows a yellow color when tested with both methyl red and bromthymol blue. What is the approxi. mate pH of the sample? Is it acidic, basic, or neutral? 6. Calculate the pH of a solution with [OH-] = 1.0 x 10-6
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