Q: Match the PAMP to the type of pathogen it is specific to. 1) Peptidoglycan 2) Lipopolysaccharides…
A: a)Gram-Negative bacteria:- 2) Lipopolysaccharides
Q: Which of the following statement is true? A. Gram negative bacteria have thicker…
A: Option (A) - This is a incorrect statement. Gram negative bacteria have a thinner peptidoglycan…
Q: Why is Micrococcus luteus a common contaminate on bacteriological media?
A: The strain is typically connected with human skin, especially from the head, arms and legs;…
Q: Which type of pathogen is the easiest to destroy?
A: Answer: PATHOGEN : These are the foreign particles which enters the host body and are able to cause…
Q: For the bacteria circled on the left in the picture above, which describes the Gram status, shape,…
A: Gram negative bacteria The bacteria which do not crystal violet colour after staining with gram's…
Q: Does the Gram stain provide information regarding a bacterium's susceptibility to antimicrobial…
A: The Gram stain is performed for the determination and classification of the bacteria. In Gram…
Q: Could colonization of a wound by a non-invasive bacterium cause disease? Explain your answer.
A: Colonization is not harmful as microbes or germs are present in the body, but does not cause any…
Q: Why is the level of contamination measured as number of colonies rather than size of colonies?
A: Microbiological contamination refers to the presence of unwanted or accidental introduction of…
Q: List the four cellular agents of bacterium that most antimicrobial agents such as antibiotics…
A: Antibiotics are the secondary metabolites that are secreted by a group of microbes that declines the…
Q: Why must the top agar be supplemented with maltose? A) Maltose allows for binding of the phage to…
A: Plate cultures of bacteriophage are prepared by combining phage with susceptible host cells in top…
Q: in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?
A: The Ziehl-Neelson (ZN) stain is the most commonly utilized of the different types of AF staining…
Q: This group is the easiest to kill using chemical disinfection. A Gram positive bacteria B Gram…
A: Introduction :- Disinfection is the process of elimination of microorganisms like bacteria , viruses…
Q: Pick any bacterial pathogen, how could its relationship with its host be different if it was similar…
A: Pathogenic bacteria are those who cause harm to host organism. There are few bacteria who cause…
Q: Describe the bacterial colonies providing information on shape, color, size, elevation and edge…
A: Nutrient Agar is used for the cultivation of bacteria and for the enumeration of organisms in water,…
Q: What are examples of disease causing bacteria that presents flagella
A: Introduction:- Bacteria are prokaryotic organisms which do not consist of a well-defined nucleus ,…
Q: Give at least one disease that can be diagnosed by: a. Gram Stain b. Acid-fast stain c. Endospore…
A: Staining is a microscopic technique for enhancing contrast in the material. In histology, as well as…
Q: Draw the cell wall of both a Gram-positive and a Gram negative bacteria. Be certain to note which…
A: Bacteria are unicellular and prokaryotic organisms that live in a wide variety of environments. It…
Q: Bacterial capsules work by _____. View Available Hint(s) for Part E protecting the bacterium…
A: So correct option will be protecting the bacterium from engulfment Capsules made of substances…
Q: How will you know if a disease-causing bacterium in plants is motile or non-motile?
A: Asked : Process to know if a disease-causing bacterium in plants is motile or non-motile.
Q: I Why does't a negative stain colorize the cells in the smear?
A: Staining is a technique which is used for enhancement of contrast in samples mostly at the level of…
Q: Describe the bacterial colonies providing information on shape, color, size, elevation and edge…
A: *morphology of Escherichia coli is identified as rough or a smooth form. *The trough forms colonies…
Q: From , figure Explain how this technique can beused to diagnose infections with group A…
A: An immune response is the type of antibody production and activates in response to foreign antigen.…
Q: What risk would a spore-forming bacterial speciesrun if it did not produce any spores until…
A: Ans: Spore or endospore: The tough, dormant, seed-like structure which is non-reproductive produced…
Q: Why is it important to follow sterile technique?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Bacterial motility soft agar method does the test tell a microbiologist the number or distribution…
A: Bacterial Motility: it is defined as the ability of a bacteria to move alongside with the help of…
Q: Using a microscope, could you differentiate a coccus from aspirillum? A pathogen from a nonpathogen?
A: A microscope is an instrument used to see the particles or objects of very small size to be the…
Q: What structures are found on agar plates when the bacteriophage T4 has penetrated Escherichia coll?…
A: ANSWER;- Colonies
Q: Why do you think an infection caused by an endospore former might be harder to treat than one caused…
A: Microorganisms detect and adapt to changes in their surroundings. When favoured nutrients are…
Q: What part or parts of the bacterial cell do antibiotics target? Why?
A: Antibody Antibody is a biological compounds that bind with foreign objects like bacteria and stop…
Q: Would this bacteria be described as gram negative or gram positive? Describe the shape and…
A: The gram staining, which is a differential staining technique, is used to differentiate…
Q: Describe the steps of the Gram stain, and explain how it can be animportant diagnostic tool for…
A: Gram staining is a method used to differentiate and classify the bacterial species into two category…
Q: What term is used to describe the unique molecules found onthe surface of different pathogens?
A: Step 1 Pathogens are disease-causing organisms or parasites. Pathogens have a specific point of…
Q: The presence of endotoxins in a sterile fluid indicates: the presence of gram-positive cell walls…
A: Endotoxins, additionally called LPS, are the part of the external membrane of gram-negative bacteria…
Q: What causes the viral plaques that appear on a bacterial lawnto stop growing larger?
A: Viruses are microscopic agents that can replicate only inside the host cells. They can infect all…
Q: Would this bacteria be classified as gram negative or gram positive? Describe the shape and…
A: Gram staining is a simple technique, in which two categories of bacteria are identified based on…
Q: Is UV treament more or less effective than disinfection when used against Saphylococcus aureus?
A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…
Q: erial slide agglutination technique important in diagnostic procedure?
A: Immunoassays are bioanalytical ways that use the specificity of an antigen-antibody reaction to…
Q: about the Gram stain is false? A-In the Gram stain, a dye called crystal violet is used to stain…
A: Gram staining is a differential staining method used for differentiating bacterial species into two…
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: From figure . What type of bacterial infection could bediagnosed using the stain shown in the…
A: Microbiology is the study of microorganism. The organisms that cannot be seen through naked eyes are…
Q: Are there any natural disinfectants, sanitizers that we can use in our household to prevent…
A: Disinfectant are those chemical agents which helps in inactivation or destruction of microorganisms…
Q: Why is penicillin more effective on Gram positive?
A: Penicillin (PCN) is a group of antibiotics, which is derived from the Penicillium mold. It is used…
Q: Which Part Of The Bacteria Actually Gets Stained?
A: The primary goal of staining is to show cytological details that would otherwise go undetected;…
Q: What things can be done during sample collection of a sick patient to help eliminate the culture of…
A: Normal flora is the organisms that are present in the body for normal functioning. The normal flora…
Q: How is the Gram stain used clinically to help identify the cause of an infection?
A: Gram stain or sometimes "Gram staining", likewise called Gram's method, is a technique for staining…
Q: Can u determine the shape,gram reaction and penicillin sensitivity of cell wall deficient…
A: Introduction: Mycoplasma varies from other bacteria in the fact that they do not have a rigid cell…
Q: explain Bacterial cultures.
A: Bacterial culture is a microbial test to determine the type of organism, its abundance in the sample…
Q: Streak plate allows microbiologists to isolate one species of bacteria from another. Why is that…
A: Aseptic technique is basically the mindset of keeping things free of contamination, as the world we…
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- The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in a culture like bacteria do? Explain.What things can be done during sample collection of a sick patient to help eliminate the culture of normal flora?Imagine a microbiologist performed a series of Gram stains but forgot to perform the destain step during the stains. Which type(s) of erroneous results would the scientist observe? Cells that are actually gram-negative would appear gram-positive Cells that are actually gram-positive would appear gram-negative Both gram-negative and gram-positive cells would appear to be the opposite
- When virulent bacteria invade an organism, they usually inflict damage to it. Can you assess the different means a bacterium may use to affect the integrity of the host in detail?Why is penicillin more effective on Gram positive?How is the Gram stain used clinically to help identify the cause of an infection?
- Infections among hospitalized patients are often related to the presence of a medical device in the patient. Which conditions favor the formation of biofilms on in-dwelling catheters?From figure . What type of bacterial infection could bediagnosed using the stain shown in the figure? What does this resultindicate?Fill in the blank: Bacteria found in very cold areas are called _________________.