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A Gram stain of unknown bacterium A grown for 24 hours show purple cells. Is bacterium...
A gram stain of bacterium A grown 72 hours shows both purple and pink stained cells....
A gram stain of bacterium A grown 72 hours shows both purple and pink stained cells. Additional analysis shows that bacterium A is NOT contaminated. Explain these results.
You are given 2 nutrient broth tubes each containing a pure culture of one of two...
You are given 2 nutrient broth tubes each containing a pure culture of one of two Gram Positive bacteria. Unfortunately, the labels have washed off and you are asked to determine which tube contains Streptobacillus epidermidis and which tube contains Diplococcus anginosus. a. Name a technique you would use b. DRAW the expected results used to sort the 2 tubes. Make sure to label your drawings (which is S. epidermidis and which tube contains D. anginosus)
Microbiology ONLY answer 1 2 3 4 5 6 7 8 9 10 11 12 13...
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Salmonella is associated with the handling of contaminated beef True False Escherichia coli is a red-pigmented organism. True O False The results of the MR-VP test can be directly read from the test without the addition of any other chemicals. True False Which medium contains a pH indicator to show pH change caused by fermentation? Glucose Broth Lactose Broth SIM Lactose and...
5. You use the Gram stain to try to differentiate bacteria in a sample. You find...
5. You use the Gram stain to try to differentiate bacteria in a sample. You find that all of the cells are Gram negative, but the teaching assistant insists there are both Gram positive and Gram negative cells present in the sample you are given. You definitely smeared a loop of the sample onto the slide and your fingers are stained a little purple and also a little red from handling the sides of the slide. Give a reason why...
69. THE ENDOSPORE itself is might to stain_?_ color in an ACID FAST stain. (a) HOT...
69. THE ENDOSPORE itself is might to stain_?_ color in an ACID FAST stain. (a) HOT pink (c) purple (d) green (e) baby-blue 70. All STAINS begin with a properly prepared _?_ . (a) dye (b) slide (c) smear (d) dog (e) cat 71. Which of the following is an ENDOTOXIN found in some microbes? This is results in fever, blood vessel dilation and possibly SHOCK when it is released into the human blood stream? (a) the plasma membrane (b)...
A bacterium was isolated from the human gut and successfully grown on NA in the lab....
A bacterium was isolated from
the human gut and successfully grown on NA in the lab. Where
in thioglycollate medium would you expect to see growth for this
organism and why?
AaBbCcDdE ABCD de AaBbCcDde AaBbCD AaBbCcDdE A. A. EEZE, . Normal Preformatted No Spacing Heading 1 Heading 2 1) A bacterium was isolated from the human gut and successfully grown on NA in the lab. Where in thioglycollate medium would you expect to see growth for this organism, and...
After Examining a Gram stained slide of Micrococcus luteus under the microscope, you conclude that it__________....
After Examining a Gram stained slide of Micrococcus luteus under the microscope, you conclude that it__________. Exists in tetrads or clusters Stained purple throughout the staining procedure. Only 1 Only 2 Both 1 &2 Neither 1 or 2 A typical carbohydrate fermentation medium contains a red colored Ph indicator called phenol in a nutrient broth and an inverted Durham tube to capture carbon dioxide. This culture medium is designed to determine whether a certain bacteria can ferment a certain sugar....
69. THE ENDOSPORE itself is might to stain_?_ color in an ACID FAST stain. (a) HOT...
69. THE ENDOSPORE itself is might to stain_?_ color in an ACID FAST stain. (a) HOT pink (c) purple (d) green (e) baby-blue 70. All STAINS begin with a properly prepared _?_ . (a) dye (b) slide (c) smear (d) dog (e) cat 71. Which of the following is an ENDOTOXIN found in some microbes? This is results in fever, blood vessel dilation and possibly SHOCK when it is released into the human blood stream? (a) the plasma membrane (b)...
Question 1 (1 point) An unknown organism was inoculated into a phenol red tub and produce...
Question 1 (1 point) An unknown organism was inoculated into a phenol red tub and produce a yellow coloration. The same organism was inoculated into a purple broth tube resulted in growth after the incubation period. Green slant tubes were also inoculated and resulted in a blue coloration. However, this organism was negative for motility within a SIM tube. Which of the following is the unknown species? Salmonella typhimurium Shigella sonnei Enterobacter aerogenes Klebsiella pneumoniae Escherchia coli O Proteus mirabilis...
21. The most common fatal nosocomial infection is: a) TB b) HIV/AIDs c) Pneumonia d) Hepatitis...
21. The most common fatal nosocomial infection is: a) TB b) HIV/AIDs c) Pneumonia d) Hepatitis 22. The phrase "disease reservoir" refers to: a) Any source which harbo b) A contaminated water supply. c) A person carrying the disease but displaying no symptoms d) A person who had the disease but has recovered. rs the organism and can transmit it. 23. In the Gram stain procedure: a) The pink cells were gram positive. b) Only one color agent was used....
Microbiology
ONLY answer
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Salmonella is associated with the handling of contaminated beef True False Escherichia coli is a red-pigmented organism. True O False The results of the MR-VP test can be directly read from the test without the addition of any other chemicals. True False Which medium contains a pH indicator to show pH change caused by fermentation? Glucose Broth Lactose Broth SIM Lactose and...
5. You use the Gram stain to try to differentiate bacteria in a sample. You find that all of the cells are Gram negative, but the teaching assistant insists there are both Gram positive and Gram negative cells present in the sample you are given. You definitely smeared a loop of the sample onto the slide and your fingers are stained a little purple and also a little red from handling the sides of the slide. Give a reason why...
A bacterium was isolated from
the human gut and successfully grown on NA in the lab. Where
in thioglycollate medium would you expect to see growth for this
organism and why?
AaBbCcDdE ABCD de AaBbCcDde AaBbCD AaBbCcDdE A. A. EEZE, . Normal Preformatted No Spacing Heading 1 Heading 2 1) A bacterium was isolated from the human gut and successfully grown on NA in the lab. Where in thioglycollate medium would you expect to see growth for this organism, and...
Question 1 (1 point) An unknown organism was inoculated into a phenol red tub and produce a yellow coloration. The same organism was inoculated into a purple broth tube resulted in growth after the incubation period. Green slant tubes were also inoculated and resulted in a blue coloration. However, this organism was negative for motility within a SIM tube. Which of the following is the unknown species? Salmonella typhimurium Shigella sonnei Enterobacter aerogenes Klebsiella pneumoniae Escherchia coli O Proteus mirabilis...
21. The most common fatal nosocomial infection is: a) TB b) HIV/AIDs c) Pneumonia d) Hepatitis 22. The phrase "disease reservoir" refers to: a) Any source which harbo b) A contaminated water supply. c) A person carrying the disease but displaying no symptoms d) A person who had the disease but has recovered. rs the organism and can transmit it. 23. In the Gram stain procedure: a) The pink cells were gram positive. b) Only one color agent was used....
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