Urinalysis Lab If you find 20 colonies on a urine plate, you used a 5uL loop, what will be the number of bacteria you will report out of 1 mL?

Q: Negative Stain Name the bacterium used in negative stain Describe morphology Name the disease…

A:

Q: A culture of Staphylococcus is diluted as follows: (1) 20mL are added to 80mL of water. (2) 10uL…

A: It is given that a culture of Staphylococcus is diluted as follows:1. The original 20mL of culture…

Q: Dilution Problem. A culture was diluted as follows: (1) 50mL are added to 100mL of water. (2) 1mL…

A: It refers to the process of reducing the concentration of a substance in a solution by adding more…

Q: An original sample of water containing 4.20 X 109 CFU/mL was diluted by 4 successive 1/100…

A: Serial dilution is used to find the concentration of bacteria in the sample in case of greater…

Q: These is another lab that we did I have finish the front but I don't understand page 24 number 4 it…

A: Serratia is Gram-negative, rod-shaped bacteria belonging to the Enterobacteriaceae family. They are…

Q: A Gram negative cell will be purple following a gram stain O True O False

A: Gram staining, established by Danish Bacteriologist Hans Christian Gram in 1884, is the most common,…

Q: Gram Stain Results: Staphylococcus aureus (a Gram-positive coccus) Escherichia coli (a Gram-negative…

A: Staining is the method of producing different colours that obtained by the reaction of reagents with…

Q: You have been asked to determine the bacterial count in a sample of water. The number of CFU from 1…

A: The CFU count is the number of viable cells per ml of the sample. The CFU count is done on the basis…

Q: 11 Identify the cellular morphology for the above Gram stain. What is the Gram reaction? What is the…

A: In this discussion, we will examine the cellular morphology of bacteria after a Gram stain. Key…

Q: Which of the following plates (dilution factor) would you count/use to determine the original…

A: Dilution factor is a measure of the decrease in concentration of a solution that occurs in a…

Q: Janice adds 1 mL of bacteria to a tube containing 2 mLs of nutrient broth and then adds an amount of…

A: Dilution is the process of decreasing the concentration of a substance in a solution by adding more…

Q: These are all Gram stains. Which one shows Gram positive bacilli2 OA OB

A: Gram staining is widely used for division of bacteria into two classes  One that take up the gram…

Q: If you started with a bacterial concentration of 2,000,000 bacteria/ml and wanted to plate out 40…

A: In the question it is asked that they want to plate out 40 bacteria, and this count comes under the…

Q: GELATIN b.how will you inoculate? c.How will you incubate? d. what are Post- Incubation…

A: Gelatin is a protein which is derived from the collagen . Collagen is connective tissues. Gelatin is…

Q: Picture in white is acid fast other picure is negative stain so far this is the information I…

A: The Acid-Fast Stain is a laboratory technique primarily used to identify bacteria that belong to the…

Q: An immersion lens was used to examine the microorganisms microscopically in a light microscope.…

A: Light microscope:       Microscopes that make use of the visible spectra of light and a series of…

Q: What was the concentration of bacteria (CFU/mL) in the original suspensions used for dilutions and…

A: The ideal colony size is found between 30 and 300. The CFU/ml is calculated by: (Colony × Dilution…

Q: Your supervisor gave you a 5% saline (NaCl) solution. You need to make 100ml of 1.0% saline…

A: Given5% salineRequired100ml of 1.0% saline.By using the formulaS1V1 = S2V2Where, S1 = strength of…

Q: After a urine culture, 95 colonies are counted on a plate inoculated with 1 uL of urine samplpe.…

A: The CFU count gives us the viable number of cells present in the sample.