Identify the texture, transparency, color, colony size, form, margin and elevation of the two colonies in the photo (a) and (b)

Q: hello, can you draw the following on endospore staining in 1000x objective? thank you.   - 1 day…

A: Bacillus is a genus which is a endospore forming, rod shaped, gram positive bacteria.

Q: Using this formula: 1 ocular micrometer space = number of microns measured on the stage micrometer/…

A: Introduction: A microscope is an optical instrument used for viewing very small objects, such as…

Q: - Negative Stain (list color of organism stained with negative stain) - Capsule Stain (list color…

A: Staining is a method that allows you to see cells and cell components more clearly under a…

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

A:

Q: In what instances would the pour plate method be more appropriate than the spread plat method?

A: Pour plate method is a technique that used to enumerate the number of viable cells in a sample.…

Q: What is the best growth medium that contains glucose that can be used to acclimatize bacteria? and…

A: A growth medium is a liquid, solid, or semi-solid preparation that supports the growth of a…

Q: How would you record your observation of a plate containing 305 colonies?A plate with 15 colonies?

A: A microbial colony is the population of a single type of bacteria / microorganisms, which formed…

Q: , the most suitable description for the origin of each colony formed on the surface of a solid…

A: Origin of colony in solid medium.

Q: Explain why it is important to use only a small amount of bacteria when preparing a smear. What are…

A: Many laboratory techniques, including the Gram-stain, involve the creation of a smear. The goal of…

Q: The light photomicrograph (see image below) shows a single type of bacterial cell treated with…

A: Magnification = length of image ÷ actual length of organism

Q: The image in Figure 2 is of the diatom, Fragilariopsis cylindrus. Determine the size (length) of the…

A: The aim of a microscope is to produce high-quality, magnified images of things that are difficult to…

Q: How does colony morphology help you monitor the purity of your culture? What are disinfectants and…

A: Microbiology is the study of those living organisms which cannot be seen through naked eyes…

Q: Can you tell IF the pasteurization process is working in this milk producing plant? How can you…

A: Pasteurization is a process in which milk or milk product is heated to a certain temperature for a…

Q: Write instruction to make cell culture medium using DMEM consist of 10% FBS, 1% streptomycin.

A: Introduction Streptomycin is an antimycobacterial drug which is used in the treatment of…

Q: When the number of colony-forming units per milliliter is calculated, you will focus your counts on…

A: Petri dish or cell culture dish is used to grow microbial cultures such as bacteria and fungi. The…

Q: The capsule stain is considered a negative stain

A: Staining is a technique in microbiology so as to enhance the view by contrasting it.  Stains are…

Q: A growth medium consisting of only known amounts of water, magnesium, calcium chloride, potassium…

A: The growth medium, also called as Nutrient Broth, is a kind of solution which is sterilized to get a…

Q: the morphology of the crushed nodules under microscopes

A: Active nodules are red coloured inside    Actively N‐fixing nodules contain a pigmented protein…

Q: Why is it necessary to perform a negative stain to visualize capsules?

A: Introduction: Negative staining: This uses an acidic stain. The results yield a clear cell with a…

Q: Assume you are observing the diatom pictured in Figure 1 using the 10X lens in a compound light…

A: Microscopy is the evaluation of the sample/tissue/cell with the help of microscope. It generally…

Q: Description of nitrogen-fixing bacterium Cell shape: Cell color: Gram stain reaction: (Total…

A: Rhizobia is a common group of nitrogen-fixing bacteria. It is a Gram-negative, rod-shaped, motile…

Q: Describe the difference between the appearance of surface and subsurface colonies in a pour plate.…

A: The bacteria is the unicellular prokaryotic organism that maintains a definite shape since it…

Q: You use a spectrophometer and estimate the concentration of bacteria in a urine sample to be 4.6 x…

A: dilution factor  =10^-6

Q: W W OV Y W 12. 13. 14 15. 16. 17, Bo

A: Answer: Introduction: An inflorescence is a group or cluster of flowers arranged on a stem that is…

Q: the purpose of a mordant in Gram stain is    a. to prevent the crystal violet from leaving the cell…

A: A mordant or color fixative is defined as a substance used to set (for example tie) colors on…

Q: Draw a 4-inch circle. Draw out the streaking pattern used to isolate single colonies nlate

A: The streak plate method, which we used to inoculate a petri plate in Lab 2, is the most frequent way…

Q: Activity: Amoeba Procedure: Label the following structures on the picture (only the numbers that are…

A: Amoeba is a unicellular organisms which is capable of altering it's shape mainly through extension…

Q: What is the purpose of the steam in spore stain?

A: Small tiny objects which are not viewed by the naked eye are called microbes. The microbes are seen…

Q: what is the color of the endospore of bacillus subtilis using the crystal violet method and using…

A: An endospore is a dormant, tough and non-reproductive structure produced by some bacteria in the…

Q: Write the procedure for the following  1. Celloidin embedding  2. Vacuum embedding  3. Epoxy…

A: Answer: EMBEDDING = It is also known as the fixative , which is used to preserve the thin slice of…

Q: The image in Figure 2 is of the diatom, Fragilariopsis cylindrus. Determine the size (length) of the…

A: Diatoms are unicellular aquatic algae, found mainly in marine environments, but can be found in…

Q: Contrast the overall cell wall compositions of Gram positive and Gram negative bacteria, and go…

A: The bacteria are classified according to their cell wall composition into Gram positive and Gram…

Q: All of the following are valid measurements of growth except: A. Counting viable cells B.…

A: Use the general formula: [Number of colonies counted] × 10 × [how many times the sample must be…

Q: Imagine that you are asked to design a surface (BUT ONLY SURFACE) pasteurization process of eggs.…

A: The process by which the pathogenic microorganisms are destroyed from certain food items is called…

Q: Describe the results for each test indicated below. Use full sentences and write your answers in…

A: Hi! Thank you for the questions. As you have posted a question with multiple subparts, I will be…

Q: Which of the following terms are used to describe the appearance of the edge or margin of a colony…

A: Agar is a sulphated polysaccharide which is widely used as solidifying agent in microbiological…

Q: based on the attached photo, compute the cfu/ml of 42 colonies at plate 10^5. show the complete…

A: To calculate the colony-forming unit per ml (cfu/ml) following formula can be used. CFU/ml= no. of…

Q: Scanning (40X): 1.8 mm x 100X/40x = 5 mm =4.500um Low power (100X): 1,800 um FOV diameter = 1.8 mm =…

A: Euglena is a genus of single cell flagellate eukaryotes. It is the best known and most widely…

Q: What is the theory about the mechanism of the Gram-stain reaction? provide in paragpraph

A:

Q: On agar plate does each discrete colony represent the growth of one cell? Explain your answer. Why…

A: Question - On agar plate does each discrete colony represent the growth of one cell? Explain your…

Q: For his experiment, Brian needs to prepare 30 plates (use maximum volume), 15 slants (small test…

A: Introduction Lysogeny Broth (LB) Is A Nutrient-dense Media Predominantly Used For Bacterial Growth.…

Q: Briefly describe the Gram stain

A: The Gram staining is a special technique in which bacteria are stained with the Gram stain. It is…

Q: How many colonies are present in this plate?

A: Microbiology is the study of microorganisms and associated topics. Microbiology has gone a long way…

Q: staining method would you use to verify that the isolates are not Mycobacterium species? Describe…

A: Staining is a method of coloring biological tissues to increase the contrast. This technique is…

Q: Using a solid line draw a standard bacterial growth curve. Represent all the phases by numbering…

A: Bacterial growth curve is defined as the graph representing the number of viable bacterial cells…

Q: start with the results of your Gram Stain. In the spaces labeled appearance& observations, indicate…

A: Gram stain : It is a test that checks for the bacteria at the site of suspected infection such as…

Q: Write the procedure for resin embedding

A: Answer: EMBEDDING = It is the process of embed a tissue for fine and regular sectioned, the most…

Q: You have performed an experiment and your aim is to obtain pure colonies. However, you observe some…

A: Bacteria are prokaryotic organisms. They are microscopic single-celled organisms that can live in a…

Q: For each of the following stains, list each of the chemicals used (in order), briefly describe what…

A: In Microbiology staining is needed in order to properly visualize the internal membranes of the…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.