Define selective medium. /1 What is differential medium? /1 Which medium will require you to flood...
- Define selective medium. /1
- What is differential medium? /1
- Which medium will require you to flood the plate with Iodine (found in the yellow bin in your staining cabinet)? What color reaction do you anticipate observing if the organism metabolizes the nutrient in the medium? /2
Homework Answers
QUESTION 1
Define selective medium
In this context, a selective media is a specialized media used to selectively allow the growing of a determined microorganisms. For example, if you have a mixed sample of bacteria and you want only aerobic species, you can apply a selective media.
QUESTION 2
What is differential medium?
A selective medium is other specialized media which is used to differentiate the type of microorganisms in a mixed sample. This will allows you to determine which kind of bacteria are present in your sample
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Define selective medium. /1
What is differential medium? /1
Which medium will require you to flood...
1. Define selective media. 2. Define differential media. 3. Name a media that is selective and...
1. Define selective media. 2. Define differential media. 3. Name a media that is selective and differential and how you can interpret results as being such. 4. What makes MSA selective? EMB? MAC? 5. What does a yellow color on MSA indicate SPECIFICALLY!!?? (not name of bacteria) 6. What characteristic is detected by EMB/MAC? 7. What is a positive result on EMB? 8. What is a positive result on MAC?
Exercise 7: Selective and Differential Growth Medium and Tests 6. What is the difference between opaque,...
Exercise 7: Selective and Differential Growth Medium and Tests 6. What is the difference between opaque, translucent and transparent? opaque - colonie are not tamporent on trosoluent, they are impermiable to light Trarolucent colonies are almost clear but with a distanted mision Troroparent colonio are cled colonit without any detrotta 7. Why are growth characteristics more easily and readily analyzed on agar plates rather than agar slants? 8. Which has more utility in maintaining stock cultures agar dishes nutrient broth...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
81 Exercise 7: Selective and Differential Growth Medium and Tests Questions 1. What elements are important...
81 Exercise 7: Selective and Differential Growth Medium and Tests Questions 1. What elements are important to consider when recording data about the growth of an organism? 2. What are some ways that cause the same bacteria to grow differently in different conditions? 3. List the types of growth patterns in broth. There are four dikprent type broth = Pellicle, Sediment, and flocculent ok growth uniform fine pattin in turbidity 4. List the types of growth patterns or colony morphology...
78 Exercise 7: Selective and Differential Growth Medium and Tests 1 have been identified. These arms...
78 Exercise 7: Selective and Differential Growth Medium and Tests 1 have been identified. These arms are ganima prutenbacteria. Trods and oxidase negative There are also gram+ onanisms among our unknowns. The blochemical changes we aim to assess are most often mediated by bacterial enzymes and others are fermentations. Color and/or texture changes in the media will aid in the identification of the unknown. The bacterium can be different lated on the basis of their metabolic capacity to manifest biochemical...
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....
1. Human microbiota. What type of bacteria species are likely to be cultured from your throat...
1. Human microbiota. What type of bacteria species are likely to be cultured from your throat swabs on Blood agar? Why? 2. What is the purpose of the candle jar for the cultivation of the Blood Agar plate/throat swabs and what type of metabolism do you think you are targeting? 3.With reference to your two nasal swabs, what is the difference between the two culturing strategies: culture this swab on a mannitol-salt-agar plate and inoculate the nutrient broth containing 7.5%...
Prelab 9: Selective Media Read pages 227-230 and 241-256 in your lab manual, watch the video,...
Prelab 9: Selective Media Read pages 227-230 and 241-256 in your lab manual, watch the video, and answer the following questions in your own words before coming to lab. Chapter 6 in your textbook may also be helpful. You may also want to review the video on inoculation techniques. (I will hand out a written procedure for the KOH test in lab.) NOTE: for all these procedures over the next few weeks, you will be testing only your assigned organism...
please help me. answer only first page. thank you! p. If you accidentally forgot to inoculate...
please help me. answer only first page. thank you!
p. If you accidentally forgot to inoculate your organism in an OF-glucose tube with oil, and only had one yellow “no oil” tube, what type of carbohydrate catabolism would describe that organism (fermenter, oxidative, neither)? Explain your answer. q. What are two other results from the OF-glucose tubes other than their type of carbohydrate catabolism? r. How can organisms that don't use starch grow on a starch agar plate? Carbohydrate Catabolism...
microbiology help TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
Exercise 7: Selective and Differential Growth Medium and Tests 6. What is the difference between opaque, translucent and transparent? opaque - colonie are not tamporent on trosoluent, they are impermiable to light Trarolucent colonies are almost clear but with a distanted mision Troroparent colonio are cled colonit without any detrotta 7. Why are growth characteristics more easily and readily analyzed on agar plates rather than agar slants? 8. Which has more utility in maintaining stock cultures agar dishes nutrient broth...
Lab Report-Carbohydrates 1. Purpose 2. Special Media for Isolating Bacteria (Lab #12) a. Why are dyes such as phenol red, eosin or methylene blue added to the media? b. How does the bacterium change the media (i.e color of agar or colonies) after incubation? C. In this experiment, which media are selective, and which are differential? d. How did the results observe on the mannitol salt agar and EMB agar correlate to the Gram reaction of the bacteria? e. What...
81 Exercise 7: Selective and Differential Growth Medium and Tests Questions 1. What elements are important to consider when recording data about the growth of an organism? 2. What are some ways that cause the same bacteria to grow differently in different conditions? 3. List the types of growth patterns in broth. There are four dikprent type broth = Pellicle, Sediment, and flocculent ok growth uniform fine pattin in turbidity 4. List the types of growth patterns or colony morphology...
78 Exercise 7: Selective and Differential Growth Medium and Tests 1 have been identified. These arms are ganima prutenbacteria. Trods and oxidase negative There are also gram+ onanisms among our unknowns. The blochemical changes we aim to assess are most often mediated by bacterial enzymes and others are fermentations. Color and/or texture changes in the media will aid in the identification of the unknown. The bacterium can be different lated on the basis of their metabolic capacity to manifest biochemical...
please help me. answer only first page. thank you!
p. If you accidentally forgot to inoculate your organism in an OF-glucose tube with oil, and only had one yellow “no oil” tube, what type of carbohydrate catabolism would describe that organism (fermenter, oxidative, neither)? Explain your answer. q. What are two other results from the OF-glucose tubes other than their type of carbohydrate catabolism? r. How can organisms that don't use starch grow on a starch agar plate? Carbohydrate Catabolism...
microbiology help
TOT Zoo Add Page Insert Table Chart Text Shape Media Comment These questions will serve in lieu of a lab report for Exercise 15, 16, and 17 You will find the answer to these questions in the background, procedure, results and interpretation sections of manual Exercise 15, 16, and 17, videos, Actions of Selective and Differential Media Chart, and the Principle/Theory article in homework section.) General Questions 1. What is the purpose (function) of selective media? (How does...
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