Would a microorganism skin sample grow well in LB nutrient agar or MSA agar?
Homework Answers
MSA - Mannitol salt agar
In microbiology MSA is used as selective and differential growth medium commonly .
They encourages certain bacterial groups by inhibiting the growth of other groups of bacteria .
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Would a microorganism skin sample grow well in LB nutrient agar or
MSA agar?
4. Which of the resident flora of the skin, will grow on blood agar plates and...
4. Which of the resident flora of the skin, will grow on blood agar plates and produce a clear halo or zone around the bacterial colonies? 5. Which of the resident flora of the skin, will grow on blood agar plates and produce a greenish halo or zone around the bacterial colonies?
Compare the recipes of Nutrient Agar and XLD Agar.If an organism can grow on both media,...
Compare the recipes of Nutrient Agar and XLD Agar.If an organism can grow on both media, on whick would you expect it to grow better? Why? XLD is a selective mediuam. Is it also a defined or an undefined medium? Why is that formulation desirabl 5 What would be the likely consequence of a. incubating the medium for 48 hours? b. not adding desoxycholate? c. not adding sucrose and lactose? d. not adding lysine? e. not adding ferric ammonium citrate?...
help please On a mannitol-salt agar plate, a bacterium grows on the plate, and turns medium...
help please
On a mannitol-salt agar plate, a bacterium grows on the plate, and turns medium color from light orange to bright yellow. The color indicator is phenol red. This bacterium must be capable of: Select one: O a. Fermenting lactose to make acidic by-products. O b. Utilizing citrate as a main carbohydrate source to grow. O c. Fermenting glucose to make acidic products, which lowers the pH of the MSA agar. O d. Fermenting mannitol to make acidic products,...
You spread 0.1 mL volume of a 10^(-5) dilution onto a nutrient agar plate. After 24...
You spread 0.1 mL volume of a 10^(-5) dilution onto a nutrient agar plate. After 24 hours of incubation at 37°C, there were 223 colonies of bacteria on the plate. A.) What is the original concentration (OCD) of bacteria in the stock sample this dilution came from? (2 points) B.) Using the OCD value from part A, determine the number of colonies that would be expected to grow on a plate that is inoculated with 0.1 mL volume of 10^(-7)...
You spread 0.1 mL volume of a 10^(-6) dilution onto a nutrient agar plate. After 24...
You spread 0.1 mL volume of a 10^(-6) dilution onto a nutrient agar plate. After 24 hours of incubation at 37°C, there were 280 colonies of bacteria on the plate. A.) What is the original concentration (OCD) of bacteria in the stock sample this dilution came from? (2 points) B.) Using the OCD value from part A, determine the number of colonies that would be expected to grow on a plate that is inoculated with 0.1 mL volume of 10^(-8)...
help please What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar?...
help please
What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar? Select one: O a Gram positive bacteria that can undergo anaerobic respiration. O b. Gram negative bacteria that can ferment glucose and/ or lactose, O c. Only those bacilli that can utilize citrate as a main carbohydrate source. O d. All Bacteria would grow equally well A bacterial species grows on a MacConkey agar plate, and the colonies have dark red color with hazy...
40. Researchers can isolate a sample of cells, such as skin fibroblasts, and grow them in...
40. Researchers can isolate a sample of cells, such as skin fibroblasts, and grow them in the laboratory. This procedure is called a cell culture (see Appendix A). A cell culture can be exposed to a sample of DNA. If the cells are treated with agents that make their membranes permeable to DNA, the cells may take up the DNA and incorporate the DNA into their chromosomes. This process is called transformation or transfection. Experimenters have transformed human skin fibroblasts...
Which of the following type of cells would be able to grow on the agar containing...
Which of the following type of cells would be able to grow on the agar containing ampicillin? An E.coli cell that has no plasmid DNA An E.coli cell that has a circular plasmid pMiniT 2.o without a PCR product An E.coli cell that has a circular plasmid MiniT 2.o with an inserted PCR product Scientists have used cloning technique for a few decades by now. Among all the cloning vectors, there are a few common features, including: They all have...
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...
Directions: There are two parts for this lab. The first part is working with the Microscope...
Directions: There are two parts for this lab. The first part is
working with the Microscope slides. The second part is working with
media.
Task 1 – Bacteriology Survey Microscope Slides
Directions: There are eight different bacterium you need to
research.
Below is the following bacterium you need to describe and include
an image for.
• Streptococcus
• Treponema
• Neisseria gonorrhoeae
• Klebisella pneumonia
• Unstained Bacillus
• Bacillus cereus
• Clostridium tetani
• Escherichia coli
Task 2 –...
4. Which of the resident flora of the skin, will grow on blood agar plates and produce a clear halo or zone around the bacterial colonies? 5. Which of the resident flora of the skin, will grow on blood agar plates and produce a greenish halo or zone around the bacterial colonies?
Compare the recipes of Nutrient Agar and XLD Agar.If an organism can grow on both media, on whick would you expect it to grow better? Why? XLD is a selective mediuam. Is it also a defined or an undefined medium? Why is that formulation desirabl 5 What would be the likely consequence of a. incubating the medium for 48 hours? b. not adding desoxycholate? c. not adding sucrose and lactose? d. not adding lysine? e. not adding ferric ammonium citrate?...
help please
On a mannitol-salt agar plate, a bacterium grows on the plate, and turns medium color from light orange to bright yellow. The color indicator is phenol red. This bacterium must be capable of: Select one: O a. Fermenting lactose to make acidic by-products. O b. Utilizing citrate as a main carbohydrate source to grow. O c. Fermenting glucose to make acidic products, which lowers the pH of the MSA agar. O d. Fermenting mannitol to make acidic products,...
help please
What type(s) of bacteria are favored to grow on eosin methylene blue (EMB) agar? Select one: O a Gram positive bacteria that can undergo anaerobic respiration. O b. Gram negative bacteria that can ferment glucose and/ or lactose, O c. Only those bacilli that can utilize citrate as a main carbohydrate source. O d. All Bacteria would grow equally well A bacterial species grows on a MacConkey agar plate, and the colonies have dark red color with hazy...
40. Researchers can isolate a sample of cells, such as skin fibroblasts, and grow them in the laboratory. This procedure is called a cell culture (see Appendix A). A cell culture can be exposed to a sample of DNA. If the cells are treated with agents that make their membranes permeable to DNA, the cells may take up the DNA and incorporate the DNA into their chromosomes. This process is called transformation or transfection. Experimenters have transformed human skin fibroblasts...
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...
Directions: There are two parts for this lab. The first part is
working with the Microscope slides. The second part is working with
media.
Task 1 – Bacteriology Survey Microscope Slides
Directions: There are eight different bacterium you need to
research.
Below is the following bacterium you need to describe and include
an image for.
• Streptococcus
• Treponema
• Neisseria gonorrhoeae
• Klebisella pneumonia
• Unstained Bacillus
• Bacillus cereus
• Clostridium tetani
• Escherichia coli
Task 2 –...
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