Q: Explain the reasons you would use a negative stain?
A: In a negative stain the slide is actually stained. This is because the negatively charged stain…
Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…
A: Magnification means the image produced is more than the size of the object.
Q: What kind of stain would a pathologist use to visualise a chrondrosarcoma under the microscope? why…
A: Staining is a method for enhancing contrast in material, usually on a tiny scale. Biological…
Q: Let's assume that you were teaching the Gram stain to four students, and each student did one thing…
A:
Q: c: Name two conditions which will affect the quality of your staining. d: What is a panoptic stain.…
A: Stain is a compound or dye which is used to impart colour for the bacterial cell surface so that we…
Q: A microscope that has a total magnification of 1,500× when using the oil immersion objective has an…
A: The microscope is the major tool in the identification of a microorganism after its isolation. The…
Q: layer
A: The crystal violet eventually escapes from cytoplasm of the cell, if left too long for…
Q: You receive a bacterial culture in the lab and your job is to figure out information which will be…
A: Best option to stain a bacterial culture is Gram Stain Method. It is used to determine gram status…
Q: Gram Stain Results: Staphylococcus aureus (a Gram-positive coccus) Escherichia coli (a Gram-negative…
A: Staphylococcus aureus It is a Gram positive coccus bacteria. These bacteria have the very distinct…
Q: 3. Draw the specimen observed under endospore staining 4. Draw the specimen observed under…
A: Endospore staining: a. It is a differential stain used to distinguish between the vegetative cells…
Q: what is bibulous paper used for? a. bleaching the benchtop b. cleaning microscope lenses. c.…
A: To view sample sections under microscopes, slides should be prepared. For the preparation of slides,…
Q: For post mortem stain to occur ______must happen. A. Coagulation B. Hemolysis C. refridgeration…
A: For post mortem stain to occur pH shift to alkaline must happen.
Q: The sediment observed in stained blood smear caused by: a) Overstraining b) More Haematoxylin in the…
A: Here we have to explain about why sediment observed in stained blood smear.
Q: A capsule stain is kind of: A Simple and Negative Stain B Differential and negative stain C…
A: Introduction Capsule is the outer most covering, which is present even outside the cell wall. This…
Q: Describe the type of media you choose in the laboratory, use and prepare them ,, I want to describe…
A: 1. Glass slides on which the sample is placed. 2. Cover slip made up of plastic. 3. Dropper 4.…
Q: What are Romanowsky stains? Name four of these. b: What are the components of a Romanowsky stain? b:…
A: According to bartleby expert guidelines, when multiple sub part questions are posted we are allowed…
Q: It is desirable that the microscope objectives be parfocal because the specimen will be…
A: Microscopic organisms are small organisms that are not visible to the naked eye and can be seen only…
Q: Jessica placed crystal violet ,grama's iodine and safranin reagents on her bench.Which staining…
A: The correct option is . A Gram's Staining procedure
Q: Select all of the following that represent examples of positive stains. A) nigrosin B) methylene…
A: Staining is a technique usually employed to enhance the contrast of specimens in microscopy. Many…
Q: Why should a young culture be used in gram staining rather than an old culture? b. Why is it…
A: To answer this question first, we need to understand what is gram staining and what are the steps of…
Q: b. Successfully completed most steps of the Gram stain but failed to add the iodine (the mordant):…
A: Gram staining is a differential staining procedure used to classify two types of bacteria on the…
Q: Choose the dyes or reagents used in the Endospore stain. (More than one choices are correct) a…
A: Simple stains- A stain that employs a single stain to color a bacteria: they are quick and easy.…
Q: Put the numbers in the space provided to indicate the order of Capsule Staining. If the statement is…
A: The primary function of capsule staining is to differentiate capsular material from bacterial cells.…
Q: Cite the purpose of each of the following reagents in a differential stainingprocedure.a. Primary…
A: Differential staining uses more than one type of stains for staining the microorganisms and it is…
Q: Types of Differential Staining techniques. 1. Gram stain 2. Acid-fast stain Please…
A: Staining is used in microscopy to highlight the structures to be viewed under microscope. It is of…
Q: If you forgot to apply the safranin counterstain while performing a Gram stain, which outcome would…
A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…
Q: Stains Primary Stain Mordant Destain Secondary Stain Diagram of Stain Simple Stain N/A N/A N/A Gram…
A: This question is regarding different staining techniques of microorganisms.
Q: Give three situations where the negative staining procedure would be used.
A: Negative staining is a specimen preparation technique that requires an acidic dye such as India Ink…
Q: Explain the principle of Gram staining. (You do not need to describe the procedure step by step).
A: The danish Bacteriologist Christian gram discovered this differential technique in order to…
Q: Define the following terms: a.Simple staining b.Complex medium c.Defined (synthetic) medium
A: Staining is used to visualise the bacteria i clinical specimen under a light microscope. Bacterias…
Q: You make a smear of E. coli and then simple stain the slide with methylene blue. If you failed to…
A: The staining procedure is a multi-step process that involves the smear preparation followed by…
Q: Using the acid-fast stain's name as a guide, what would be a logical alternative name for the Gram-…
A: Gram staining is a common technique used to differentiate two large groups of bacteria based on…
Q: In order to have a better visualization of the shape acid the fast stain, you should do the…
A: Use of carbol fuchsin on the bacteria and heating it p, makes the cell appears red, presence of…
Q: Define the term gram staining.
A: Bacteria are a diverse group of microorganisms with a wide range of shapes, sizes, structures, and…
Q: This part of the staining process helps the primary stain to remain in the cell during…
A: Staining of biological samples is a very useful process for detailed observation and measurement of…
Q: Which of the following is not an aim of fixation? A. To prevent putrefaction B. Remove excess…
A: Tissue fixation is one of the steps of sample preparation for the observation under an advanced…
Q: Blood is stained with stain. a) Methylene blue b) Safranin c) Leishman stain d) Carbol fuchsine
A: Introduction - A blood smear, also known as a peripheral blood smear or blood film, is a thin…
Q: if there are features of the gram stain that are not as expected what possible sources or error may…
A: Gram staining is a general technique that is used to differentiate two larger groups of bacteria…
Q: Why might gram positive bacteria incorrectly appear to be gram negative after the gram staining…
A: Gram staining is a procedure which is used to identify whether the bacteria being tested in gram…
Q: Gram straining procedure. Indicate the following information A. Shape........ B. Stained color…
A: On the basis of gram staining, we can differentiate between two types of bacteria, one with thick…
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: What are the expected result after gram staining? a. Crystal Violet = b. Gram Iodine = c.…
A: Gram staining is a type of staining technique used to differentiate bacteria based on their cell…
Q: why is gram staining important
A: Gram staining is a laboratory technique which is used to differentiate between different types of…
Q: Formation and Composition of Film from Milk a. Place 10 mL of fresh milk in an evaporating dish.…
A: Milk It is a nutritious white liquid secreted by the mammary glands of mammals. It consists of…
Q: Describe the procedure for performing a Gram stain. What is the procedure? How does each component…
A: * Gram staining is used to test that whether f bacteria is positive or negative and also be used to…
Q: Explain how bacterial cells would look in the gram staining procedure if the following mistakes were…
A: Microorganisms are those small organisms that are invisible to the naked eye and can be seen only…
Q: A staining procedure in which one reagent is used and the bacteria takes up the stain while the…
A: Staining is a technique used to enhance contrast in the sample generally at microscopic level. There…
Q: What chemicals are used for the Simple Stain from our lab experience? Check all that apply. carbolic…
A: Simple staining: * The process staining the bacterial cell with a dye to see bacterial structure…
Q: The bacterium Bacillus anthracis was stained with gram staining, endospore staining, acid-stain…
A: Bacillus anthracis is a Gram-positive and rod-shaped bacterium that causes anthrax, a deadly disease…
The primary stain used in the endospore stain is:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Choose the dyes or reagents used in the Endospore stain. (More than one choices are correct) a acid alcohol b crystal violet c carbolfuschin d malachite green e safranin f iodine g alcohol h methylene blueComplete for Additional Differential Staining B: Negative staining ~ thin smear C: Endospore StainThis part of the staining process helps the primary stain to remain in the cell during decolorization. O 1) Secondary stain O 2) primary stain O 3) counterstain O 4) fixing reagent O 5) mordant
- Explain how bacterial cells would look in the gram staining procedure if the following mistakes were made: a. Decolorizer left on too long b. Decolorizer not left on long enough c. Slide not heat-fixed before stainingA capsule stain is kind of: A Simple and Negative Stain B Differential and negative stain C Simple Stain D Differential stain E Negative StainWhich of the following is/are true regarding the acid-fast stain? (There may be more than one correct answer.) Non-acid-fast microbes appear blue in a completed acid-fast stain. O Acid-fast cells retain the primary dye after treatment with acid-alcohol. O It is used to identify members of the genus Mycobacterium. V Acid-fast cells appear bright pink/red in a completed acid-fast stain. O If cells are acid-fast, they are gram-negative.
- Additional Differential Staining Procedures: Negative stain, Capsule Stain, Endospore stain, Flagella stain. What is a positive and negative results of this procedures?Select all of the following that represent examples of positive stains. Check All That Apply nigrosin methylene blue crystal violet India ink safraninWhich of the following serves as a counterstain for the gram-stain technique? It also happens to be the counterstain for the endospore staining technique.