Q: Briefly define culture medium.
A: Microbiology is the branch of science which deals with the study of microorganisms like, bacteria,…
Q: 2. Diagram (draw) how biofilms forms on the surface of an indwelling device. Explain how biofilms…
A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…
Q: Which of the following is NOT true of spread plating method? A. the maximum inoculum allowed is 1.0…
A: Please follow step 2 & 3 for detailed explanation.
Q: 1. Describe and give the principle of each equipment used for sterilization in microbiology. (refer…
A: Sterilisation refers to any process that removes, kills or deactivates all forms of life and other…
Q: Why must m-Endo broth or some similarly selective and differential medium be used to count…
A: Coliform bacteria are described as rod-shaped, Gram-negative, nonspore-forming, motile or nonmotile…
Q: 9. Consider the photo below and identify the Gram characteristics as well as the shape/ arrangement…
A: Introduction:- Gram staining is a technique of detection of bacterial cells using gram stains.Gram…
Q: Microbe(s) that is/are the target(s) of pasteurization include(s)a. Clostridium botulinum b.…
A: A microorganism is a microscopic organism, which may exist in its single-celled form or in a colony…
Q: The mechanical removal of microbes from a limited area of living tissue is referred to as -- a.…
A: Control of microbial propagation is very significant in medical, pharmaceutical, food industries,…
Q: Why do you disinfect your work area at the beginning of lab and then again at the end of lab? 2.…
A: Pure culture - In microbiology if one organisms cultured in midium. It is obtained from mixed…
Q: Why do you think an infection from gram-negative bacteria can be more diff treat with drugs than a…
A: There are two types of bacteria depending upon their cell wall. Gram positive bacteria are known as…
Q: The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to…
A: Sterilization is a process of removing or killing or deactivating mostly all forms of life present,…
Q: Define selective media and explain when you would use it.
A: Media is any liquid or solid preparation made specifically for the growth, storage, or transport of…
Q: 1. What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame?…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…
Q: 4. Think about Clostridium botulinum. Explain the terms below that describe this species. a.…
A: Clostridium botulinum is an anaerobic, spore forming gram positive bacteria that is quite prevalent…
Q: 1. While working with Mannitol Salt Agar you notice the growth of staphylococci however other…
A: Mannitol Salt Agar is a selective and differential media used in microbiology.
Q: 2. You use tubes to test aerotolerance of bacteria. From your samples you have 3 results: A.…
A: Hello, thank you for your question. As per our policy, I am going to answer only the first question.…
Q: 2. Please explain how the use of an Eosin Methylene Blue Agar plate can help determine the type of…
A: Eosin Methylene Blue (EMB) agar is both selective and differential culture medium. It is a selective…
Q: 6 different types of chemical disinfectantsand how they damage microbial cells. Distinguish between…
A: Chemical disinfectants are usually known as the inactivate pathogens by chemically degrading their…
Q: 1. Which One of the following antibiotic is bactericidal? A. Ciprofloxacin B. Clindamycin C.…
A: Question. Which of the following antibiotics is bactericidal ? Answer. Bactericidal are the…
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Q: Many people use antimicrobial soap to kill bacteria on their hands. However, overuse may increase…
A: Antibacterial soap is a soap which contains chemical ingredients that purportedly assist in killing…
Q: 1.Tabulate the similarities and differences between pasteurization and sterilisation, give examples.…
A: Note : Since, you have asked mutiple questions, we will solve the first question for you. If you…
Q: Agar is superior to gelatin as a solidifying agent because agar a. does not melt at room temperature…
A: Agar is used as a medium for culturing in laboratories.
Q: Please answer fast
A: Uninary tract infection (UTI) is an infection in any part of your urinary system — your kidneys,…
Q: 2. Mechanical disinfection is typically more effective than manual techniques.
A: Disinfection is the removal, deactivation, and killing of microorganisms. Deactivation and…
Q: Describe the complications of biofilm formation and why it's often hard to treat once it's formed…
A: Biofilm can be described as a complex microbiome structure that adheres to the surface and contains…
Q: 5. Why is the temperature of pasteurization at 60°C?
A: Food gets spoiled with time. It occurs majorly due to the action of microorganisms. Various…
Q: Spread plating_is used to sterilize the spreader or Lrod: a. Ethanol bHeating over flame C.…
A: Spread plate technique is used to isolate bacteria . It is a microbiological technique .
Q: 1. In addition to nutrients Lowenstein-Jensen (L-J) medium (used to culture Mycobacterium species…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…
Q: 4. The Gram stain, if the decolorizing step is deleted, gram-negative cells will appear at the…
A: Decoloriser in gram staining method is to dehydrate the peptidoglycan layer of the cell wall causing…
Q: C MSA (Mannitol Salt Agar) Match the description to the correct Bacterium A= growth, agar is yellow…
A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…
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A: Introduction: Contamination is defined as the presence of an undesirable element, impurity, or any…
Q: what term best describes swabbing the skin with alcohol? a.bacteriostasis b. degerming c.…
A: Swabbing the skin with alcohol is knows as degerming - a process in which we physically remove the…
Q: Explain the Turbidity method in microbiology and its advantages and disadvantages?
A: Turbidity It describes how the light passes through a liquid sample by measuring the number of…
Q: 1. Can culture media be sterilized in the hot air sterilizer? Why or why not?
A: As per the honor code, we answer only one question at a time therefore we are answering the first…
Q: Discuss the actions of the ditterent chemical agents in controlling microorganisms: L phenols 2.…
A: Chemical agents plays a major role in eradication of microorganisms from the environment.
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Q: 3. Describe the effects of the various antiseptics/disinfectants you used. Were they all equally…
A: # send questions one by one in the portal. Antiseptics : It is a chemical or a substance that stops…
Q: The technique used in bacteria for endospore staining can also be used to observe fungal spores.…
A: *Endospores staining is used to recognize presence of spore in bacterial cells This needs staining…
Q: 1. What kinds of media would be used to culture and Identify this microbe? 2. What are some other…
A: Hi, Thanks For Your Question. 1. What kinds of media would be used to culture and identify this…
Q: Peripheral membrane proteins A. can be extracted by chelating agents. B. completely span the…
A: Membrane proteins are group of proteins which is attached to the membrane of the cell or cell…
Q: 19) Which of the following BEST describes an agent that is bactericidal? A) Windex. B) It suspends…
A: There is considerable difference in the chemical composition of the cell wall of bacteria and that…
Q: Which of the following is used in the sterilization of the medium? a) benmarge b) swab c) autoclave…
A: Sterilization is the process of making something (instrument, swab, room etc. ) free of microbes…
Q: 1. Explain the regulation of microbial growth by turgor pressure.
A:
Q: 12. A differential media a) allows visual distinction between bacteria to perform a specific…
A: The cells are classified as unicellular and multicellular. The unicellular cells are known as…
Q: 2. Differentiate antiseptics and disinfectants. Include examples of each in your answer. Indicate…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: How do you observe growth in liquid microbiological media? a) the medium is cloudy or turbid b)…
A: Nutrients are required to grow microorganisms invitro i.e outside the body is called culture medium…
Q: 6. Which statement is incorrect for the pathogenic= spirochetes? A Stain well with Gram stain…
A: For the first time in history, spirochetes contain endocellular flagella (axial fibrils, also known…
1. What is the significance of biofilm presence on medical equipment?
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- 5) True or False Biofilms protect bacteria from antibiotics due to reduced diffusion of the drug.1. How is UV radiation a good type of control mechanism against microbial growth and what happens to the microbe and effects this control causes.9. Is the eosin methylene blue agar (EMB) a complex or defined medium? Explain based on its composition. Is MSA a A) differential, B) selective, or C) both differential and selective media? Explain based on what kind of microorganisms it allows to grow.
- 6. Why is silver nitrate used in cauterization of wounds?15. Colony formation can be observed in liquid media. a) True b) False8. Pigment or color (e.g.: opaque, translucid, red, yellow, rose, violet, etc..) is also another characteristic that can be used to identify your microorganism in a slant Thus, write down the name of three microorganisms (using scientific notation: Escherichia coli) that present a pigmented pattern of growth in a slant (write down the color of each pigment) and the name of the disease that they may cause. F10 F12 F6 %24 6. R. Home Enter K F G A Shift C Page Up Page Down Alt Ctrl Alt Σ
- 1. While playing saxophone . Sometimes the reed can get bacteria or fungus growing on it. What method would you choose to disinfect it ? Give your reasoning for your answer . ( The reed can be removed from the saxophone . It is very delicate and made of bamboo.)6. For each of the following statements, please circle whether the statement is valid SOMETIMES, ALWAYS, NEVER. Write one or two sentences justifying your choice. a) Biomaterials corrode when placed in the body SOMETIMES, ALWAYS, NEVER. b) There is a biological response when a foreign material is placed in the body SOMETIMES, ALWAYS, NEVER.11. A selective media a) inhibit the growth of certain bacteria while allowing others to grow b) allow for visual distinction of the ability to perform a specific biochemical process c) Will only grow Gram-positive bacteria d) allow just the bacteria to grow
- 7.Why is it necessary to make a skin puncture to a depth of 3mm?1. What is the key ingredient of hand sanitizers?  include a image of the chemical structure of the ingredient and explain how it works 2. What did Ignacio Semmelweis discover? Describe the situation and what he recommended to the medical community 33. What is the importance of an antimicrobial removal device (ARD)?asap
