Suppose you are staining three identical smears of the same bacterial culture with three different basic simple stains: carbol fuschin, crystal violet and methylene blue. You observe each stained preparation under oil immersion at 100X. which of the following bacterial characteristics would you expect to be different between each of the stains as you view them under the microscope.

Q: Describe in detail all the steps needed to determine whether an Unknown bacteria has a Gram-positive…

A: Introduction: Gram staining is a method developed by Danish bacteriologist Hans Christian Gram in…

Q: You look at a slide you prepared and, despite the fact that you know you put organism onto the slide…

A: Gram-staining is a laboratory test that detects the presence of bacteria and also helps to…

Q: There are so many microbes in a single mL of culture, it is very difficult to perform one dilution…

A: The microbiology studies about both the diseases causing microbes and beneficiary microbes, about…

Q: All of the following are correctly matched and can be found in bacteria EXCEPT: None of the other…

A: Note : Dear student as per our guidelines we are supposed to answer only one of your questions. So…

Q: In Figure 5-3, if the concentration of bacterial cells inthe original suspension is 200/ml and 0.2…

A: 40 colonies per plate

Q: 1)What is the natural color of cytoplasm? How is it related to our need to stain bacterial cells? 2)…

A: The staining techniques are used to identify the morphological characteristics along with the size…

Q: For a laboratory exercise of basic techniques in microbiology: Gram stain and Microscopy. What are…

A: Gram staining procedure begins with preparing of a smear of bacterial culture. This  step is called…

Q: Why is it important to perform a gram stain for any type of bacteria? After performing the gram…

A: The gram staining is a procedure that is useful in classifying the bacteria based on retention of…

Q: A differential stain can: separate bacteria into groups by cytoplasm composition OA. separate…

A: The small parts of the microorganisms are hard to differentiate as the colors under the microscope…

Q: What step normally associated with staining bacterial cells is omitted when the dimensions of cells…

A: Step 1 Gram staining is a technique of staining that is used to differentiate and categorize…

Q: A new lab recruit performs their first Gram stain on a slide containing both G(+) and G(-)…

A: Gram staining is a common technique used to differentiate between gram positive and gram negative…

Q: Why is nigrosin-water- bacteria puddle need to be mixed in a Simple/Negative staining

A: Staining is a technique used in slide preparation to color the specimen. With light microscopy,…

Q: Suppose you performed a Gram stain on a sample, from a pure culture of bacteria and you observed a…

A: Gram staining is a method that use dye to stain the bacteria and the color helps them to distinguish…

Q: In the Gram stain, gram-negative bacteria appear red for all the foll

A: Gram-negative bacteria appear red because they do not retain the crystal violet stain used in the…

Q: When performing a Gram stain on a Gram-negative bacteria, why does the bacteria stain pink? Crystal…

A: Gram staining is a method in which cells stain either pink (gram-negative) or purple (gram-positive)…

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

A: Gram staining is a widely used differential staining technique in microbiology. It involves a series…

Q: Examine the image below. The bacteria in this image have been treated with gram straining procedure.…

A: Gram staining a differential staining procedure which stains the gram positive cells with primary…

Q: A lab technician is working with a bacterium in pure culture (in 5 ml of liquid media in a test…

A: Mesophiles  Mesophile bacteria are those bacteria which grow in optimum range of temparature not to…

Q: Please label this microscope image of sheep's blood in a hypotonic solution with as much details as…

A: Tonicity of a solution is the measure of the relative difference of the solute concentration or the…

Q: You use gram staining procedure to stain a bacterium that lacks a cell wall. What color will the…

A: Gram staining is a special technique in which bacteria are stained with gram stain. It is used to…

Q: The above photograph (IMAGE ATTACHED) of a cheek smear was obtained using the high-power objective…

A: The eyepiece graticule is a scale that is placed in the eyepiece of a microscope containing scales…

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: You are working through the Gram Staining procedure on a mixed culture of S. aureus (G+) and E. coli…

A: During the Gram staining procedure the crystal violet dye is applied to the bacterial cells followed…

Q: After performing the gram stain you observe your result as gram negative. To help confirm this…

A: Gram staining is a technique to identify bacterial stain gram-positive or gram-negative. It can be…

Q: The first step in identifying an unknown bacterium is to __________. culture your unknown on…

A: Bacteria are the minute microorganisms that are unicellular and have a cellular level of…

Q: What color would the bacterial cells have when viewed theoretically under the microscope after the…

A: Gram staining is a age old method to classify bacteria according to the composition of their cell…

Q: What causes these reversals in orientation and movement of objects seen through the microscope?

A: Microscopy is the technique of observing small objects or organisms that are too small to see with…

Q: What is the primary stain for the Ziehl-Neelson acid fast stain? What color is this stain? What…

A: In microbiology, the technique that is used to enhance the contrast in samples, at the microscopic…

Q: An acid-fast stain can be used to detect protective coverings found in using light microscopy.…

A: Staining is a technique that is used in microscopy to visualize cells in a better manner. Biological…

Q: Draw what you would expect to see for acid fast stain and endospore stain procedure if you did not…

A: only acid fast appears red/pink. Only endospore appears green. Vegetative cell become colourless.

Q: When you use a simple stain like Methylene blue, how can you tell between one bacterium and another…

A: Simple stains refer to use of single stain and no differentiation can be made on the basis of colour…