Homework Answers
ANSWER.
* Staining shows circled pink cells indicate they are gram negative organisms.
* Pink color of gram negative organisms is caused by reagent Safranin.
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Incorrect Question 9 0/1 pts These cells have been stained using a method that utilizes the...
NEED HELP WITH ALL PLEASE. MICROBIOLOGY You have stained a bacteria using the Gram staining technique...
NEED HELP WITH ALL PLEASE. MICROBIOLOGY
You have stained a bacteria using the Gram staining technique what color would any endospores be if present? A. Colorless B. Green C. Pink D. Blue E. Purple 2. If you omitted the Safranin step in a gram staining procedure, what would be the color of a Gram-negative bacteria? A. Colorless B. Pink C. Green D. Purple E. Blue 3. Bacillus licheniformis would be what color and shape after a Gram staining? A. Purple...
Incorrect 0/1 pts Question 12 so LM The image shows the result of a certain differential...
Incorrect 0/1 pts Question 12 so LM The image shows the result of a certain differential staining method that detects the presence of mycolic acid in a bacterial cell wall. What information can be concluded concerning the circled (blue) cells? [Be prepared to know information concerning the pinkish cells] hey are acid-fast organisms that have mycolic acid in the cell wall they are acid-fast organisms that don't have mycolic acid in the cell wall they are non acid-fast organisms that...
QUESTIONS Predict the effect on Gram-positive and Gram-negative cells of the following mistakes made when performing...
QUESTIONS Predict the effect on Gram-positive and Gram-negative cells of the following mistakes made when performing a Grum stain. Consider cac mistake independently a. Failure to add the iodine. b. Failure to apply the decoloriser. 3 c. Failure to apply the safranin. d. Reversal of crystal violet and safranin stains. Both crystal violet and safranin are basic stains and may be used to do simple stairs on Gram-positive and Gram-negative cells. This being the case, explain how they end up...
Which of the following pairs is mismatched?
- Which of the following pairs is mismatched? d. iodine mordant e. none of the above a. alcohol-decolorizer b. crystal violet-basic dye c. safranin-acid dye 2, Suppose you Gram stained a sample from one colony and observed a field of red and blue cocci. Adjacent cells were not always the same color. You could conclude that you have d. old cells e. made a mistake a. a mixed culture b. young cells c. dividing cells 3. Which of the following...
Microbiology ONLY answer 1 2 3 4 5 6 7 8 9 10 11 12 13...
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...
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)...
0/1 pts Incorrect Question 8 You have a mixture of gram positive and gram negative cells...
0/1 pts Incorrect Question 8 You have a mixture of gram positive and gram negative cells in culture. You prepare a slide from the culture and gram stain it, but when observing the sample using oil immersion, all cells appear purple. What is the likely technical reason why only purple- colored cells are observ ed? you forgot the mordant step O you killed the cells during heat fixation you forgot the decolorization step you forgot to add immersion oi
Exercise 8 - Gram Staining Procedure for gram staining. Know all chemicals/reagents used in correct order,...
Exercise 8 - Gram Staining Procedure for gram staining. Know all chemicals/reagents used in correct order, function of each chemical, the effect of cach chemical and how gram + and gram - bacteria would appear at each step Color reactions at each step of procedure. Know why, based on the differences in cell wall structure, that the gram + vs gram - bacteria stain either purple or pink. What washes off in the decolorizing step of a gram - bacteria?...
adım sua LISNA SPECIAL MATCHING Match only within the horizontal lines. Match the items on the...
adım sua LISNA SPECIAL MATCHING Match only within the horizontal lines. Match the items on the right with the termsstatements questions on the left to give the one best answer. Use answers only once. Use all. 54. White colonies, G-) rods in chains 2. Bacitus 55. Pink colonies, G-) rods, irregular b. Mycobacterium 56. Yellow colonies, G(+) cocci in tetrads C. E. coli 57. Endospore forming, G(+) rods in chains d. Serratia 58. Acid fast, G(+) rods, irregular Micrococcus luteus...
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)...
NEED HELP WITH ALL PLEASE. MICROBIOLOGY
You have stained a bacteria using the Gram staining technique what color would any endospores be if present? A. Colorless B. Green C. Pink D. Blue E. Purple 2. If you omitted the Safranin step in a gram staining procedure, what would be the color of a Gram-negative bacteria? A. Colorless B. Pink C. Green D. Purple E. Blue 3. Bacillus licheniformis would be what color and shape after a Gram staining? A. Purple...
Incorrect 0/1 pts Question 12 so LM The image shows the result of a certain differential staining method that detects the presence of mycolic acid in a bacterial cell wall. What information can be concluded concerning the circled (blue) cells? [Be prepared to know information concerning the pinkish cells] hey are acid-fast organisms that have mycolic acid in the cell wall they are acid-fast organisms that don't have mycolic acid in the cell wall they are non acid-fast organisms that...
QUESTIONS Predict the effect on Gram-positive and Gram-negative cells of the following mistakes made when performing a Grum stain. Consider cac mistake independently a. Failure to add the iodine. b. Failure to apply the decoloriser. 3 c. Failure to apply the safranin. d. Reversal of crystal violet and safranin stains. Both crystal violet and safranin are basic stains and may be used to do simple stairs on Gram-positive and Gram-negative cells. This being the case, explain how they end up...
- Which of the following pairs is mismatched? d. iodine mordant e. none of the above a. alcohol-decolorizer b. crystal violet-basic dye c. safranin-acid dye 2, Suppose you Gram stained a sample from one colony and observed a field of red and blue cocci. Adjacent cells were not always the same color. You could conclude that you have d. old cells e. made a mistake a. a mixed culture b. young cells c. dividing cells 3. Which of the following...
Microbiology
ONLY answer
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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...
0/1 pts Incorrect Question 8 You have a mixture of gram positive and gram negative cells in culture. You prepare a slide from the culture and gram stain it, but when observing the sample using oil immersion, all cells appear purple. What is the likely technical reason why only purple- colored cells are observ ed? you forgot the mordant step O you killed the cells during heat fixation you forgot the decolorization step you forgot to add immersion oi
Exercise 8 - Gram Staining Procedure for gram staining. Know all chemicals/reagents used in correct order, function of each chemical, the effect of cach chemical and how gram + and gram - bacteria would appear at each step Color reactions at each step of procedure. Know why, based on the differences in cell wall structure, that the gram + vs gram - bacteria stain either purple or pink. What washes off in the decolorizing step of a gram - bacteria?...
adım sua LISNA SPECIAL MATCHING Match only within the horizontal lines. Match the items on the right with the termsstatements questions on the left to give the one best answer. Use answers only once. Use all. 54. White colonies, G-) rods in chains 2. Bacitus 55. Pink colonies, G-) rods, irregular b. Mycobacterium 56. Yellow colonies, G(+) cocci in tetrads C. E. coli 57. Endospore forming, G(+) rods in chains d. Serratia 58. Acid fast, G(+) rods, irregular Micrococcus luteus...
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