The reason why Bacteria stain differently is mainly based on their: Select one: O a. Number and thickness of smear O b. Cell wall structure O c. Presence/absence of nucleus O d. Size O e. Origin

Q: 7. Use the image to answer the following questions A student collects some of this bacteria to…

A: Answer 1:-  Based on the microbiological examination of the slide shown in the question, the petri…

Q: How can natural pigments produced by bacteria reveal their Gram stain reaction? O Natural pigments…

A: Gram staining is a procedure through which a bacterial species can be classified and distinguishes…

Q: A student was observing a filament of blue green bacteria under low power (60X). The diameter of the…

A: A. Average length of one cell = 2.4 mm/ 40=0.06 mm Under 60X = 40 cells, each is 0.06 mm in length

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: Bacteria tend to stain more readily with cationic (positively charged) dyes because bacterial…

A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial…

Q: .  How do Gram-positive and Gram-negative bacteria differ?   Question 1 options:   the presence or…

A: To find: How the gram negative and gram positive differ from the following options.

Q: .The.. . technique of Ziehl- Neelsen known as Kinyoun Method .A cold .B fast .c hot .D .The carbol…

A: Bacteria are ubiquitous , microscopic , prokaryotic organisms which neither possess nucleus nor…

Q: How might culture age affect the results of a spore stain? O If the bacterial culture is too young,…

A: Bacteria are single-celled, tiny creatures that may enter healthy tissues and grow rapidly. The…

Q: A researcher discovers a new species of bacteria in the Sahara Desert. The researcher is concerned…

A: Bacteria are single-celled microorganisms.

Q: You have spread 0.1ml of a 1x10-8 diluted bacterial culture sample on a Petridish and counted 35…

A: Given  Volume plated = 0.1ml  Total dilution = 108  Number of colony = 35

Q: what is the purpose of steaming the slide while applying malachite green in the endospore stain?…

A: Endospore staining:                  The spores were differentially stained by using special…

Q: You perform a simple stain on the bacterial sample and view the slide at 1000x magnification. The…

A: The one word answer is RODS.

Q: 2. Below are images showing the cell envelopes of Gram-positive and Gram-negative bacteria. Indicate…

A: Introduction - Microbiologist Christian Gram created a test in 1884 to determine whether a bacterium…

Q: When a medical technologist wants to determine if a clinical specimen contains a Mycobacterium…

A: Answer is a.) Acid -fast stain.

Q: If a bacterial culture is started with 50 cells, what will be the cell number after four…

A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…

Q: In an experiment Staphylococcus, streptococcus and enterococcus are bacteria that are stained dark…

A: Introduction:  The bacteria are classified on the basis of staining as gram-positive and…

Q: Which of the following is/are correct? a. Stained preparations of bacterial cells reveal much more…

A: Gram staining is used to identify bacteria. It is used to find bacterial infection in the cell.

Q: Why are some bacteria, such as those of the genera Mycobacterium and Nocardia, NOT effectively…

A: While the majority of bacterial cell stained either by simple on gram staining procedure. The…

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: Differentiate the staining procedures. Gram Stain Acid Fast Endospore Capsule Flagella a) Principle…

A: Your filled table attached below

Q: Select all that apply to a negative stain: O uses only 1 dye in the procedure uses multiple dyes in…

A: Negative staining is an established procedure used in microscopy to visualize cells that are not…

Q: a) What is Gram staining?     b) Describe step by step the procedure     c) Explain the basis of…

A: GRAM STAINING METHOD:- This is a differential staining that was developed by Dr. Hans Christian Gram…

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: Bacteria tend to stain more readily with cationic (positively charged) dyes because bacteria a.…

A: Bacteria are stained by positive and negative dyes.

Q: Motility is best observed with a a. hanging drop preparation c. streak plate b. negative stain d.…

A: Motility is the ability of bacterial cells to migrate from one location to another. The flagella…

Q: The main difference between a gram-positive and a gram-negative bacteria, is that; a. Gram-positive…

A: The gram staining technique is used to distinguish bacteria into gram positive and gram negative…

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: Bacterial smears are fixed before staining to make their walls permeable. accept stain, O affix the…

A: By staining microbial smears on a microscope slide, bacteria and bacterial components such as…

Q: Bacteria may be Gram + or Gram - due to their difference in staining. This stain is significant to…

A: Gram staining is one of the most common methods of staining used to classify bacterial species into…

Q: Following a gram stain, you observe clear, glassy areas inside the bacterial cells. What would you…

A: Gram staining is a technique that is used to differentiate between bacterial cells on the basis of…

Q: When counting bacteria, the difference between the standard plate (STP) count and a direct…

A: Direct microscopic count It is quantitative method. It is used to estimate the actual number of…

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: You and a partner conduct the acid-fast staining using the same two bacteria. You know that there…

A: Acid-fast staining is a differential staining technique that proves to be an important diagnostic…

Q: Phase contrast microscopes O none of the above use UV light are used to see living things all of the…

A: Introduction Microscope is an instrument by which we observe those object which are too small to…

Q: The use of the Gram stain in microbiology is important because it differentiates A) Bacteria from…

A: To find the best option among the four that related to use of gram stain in microbiology.

Q: disease (each) that can be diagnosed by: a. Gram Stain b. Acid-fast stain c. Endospore stain d.…

A: Since you have posted a question with multi- sub parts , we will solve first three sub-parts for…

Q: Why are staining methods used in microbiology? Choose all that apply A. Staining results can have…

A: Staining is the course of coloring of a substance artificially to work with assessment of tissues,…

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: Gram Stain is used to differentiate. O 1. Virus O 2. Onion Cells O 3. Blood Cells O 4. Bacteria

A: Microbial organisms occur below micron levels in their size. So to distinguish them properly we have…

Q: What is the shape of bacteria under a microscope, what color is there, and is there Gram staining is…

A: Introduction- Gram staining is basic staining to identify the bacteria of medical significance. Gram…

Q: The Gram stain works because of differences in the O 1) cell membranes O 2) genetic characteristics…

A: Answer 1 cell membrane

Q: If there are bacterial clumps visible in a drop of water on a glass slide, will this affect the…

A: Bacterial staining is a very important process to visualize the bacterial cell morphology. If there…

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: Comparing the different methods for counting bacterial cells, which of the following is FALSE? A.…

A: Prokaryotes are those organisms which lack a membrane bound nucleus. They consist of eubacteria and…

Q: Explain in your own words what you know about Gram positive and Gram negative bacteria and why they…

A: Staining is a procedure that enhances the visibility of microscopic organisms and many other…

Q: When do we make the determination that a bacterium is Gram positive?

A: In this question asked about the bacteria gram positive and negative effects.  Detailed solution in…

Q: What is the principle of Grams staining based on the cell wall composition of bacterial cell.

A: Bacteria are a kind of organic cell. They comprise an enormous area of prokaryotic microorganisms.…

Q: Explain what it means if a bacterium is a spore former versus a non spore former. Included a diagram…

A: Spore former means bacteria can be able to form spores. Non spore former means bacteria that don't…

Q: You want to identify whether a patient in the hospital has an infection caused by Staphylococci or…

A: Streptococci *streptococcus bacteria seems to be spherical shape called cocci in which they show…

Q: Which stain is used to distinguish differences between the cell walls of medically important…

A: Introduction  Bacteria are unicellular, prokaryotic organisms. They have distinct shape such as…