Which of the following methods has the least ability to sterilize below the surface? In other words, which has the least power to penetrate and sterilize? O a) electron beams b) all of these methods have very little penetrating power

Q: Describe several moist heat methods and their chief applications for sterilization and disinfection.

A: Disinfection is reducing or eliminating the number of microorganisms from the surface of the…

Q: Is the Triple-Sugar Iron Agar (TSIA) a complex or defined medium? Explain based on its composition.…

A: Introduction A solid or liquid substrate that can be used to grow cells or organ explants; a medium…

Q: 1. A plate with a final dilution factor of 107 produced 210 colonies. a) What was the original…

A: Dilution is the process of diluting or mixing two or more substances or compounds; it is also known…

Q: If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way…

A: E.coli are the type of bacteria that is known to cause many illness in humans. E.coli is cultured in…

Q: Define sterilisation.

A: Microorganisms are very small organisms that cannot be seen by naked eyes. They are mostly…

Q: Which of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b)…

A: According to the risk for transmitting microbial infections, the medical instruments are classified…

Q: Compare and contrast antiseptic and disinfectant. What is the hazard of the splattering tendency in…

A: Introduction Sterilization is the process of completely destroying or eliminating all forms of…

Q: A bioreactor which is used for the production of growth factor A is operated as fed- batch culture.…

A: A Bioreactor is a device or a process system which supports and habitats the biologically active…

Q: Why is it necessary to make pure subcultures of organisms grown from clinical specimens? How does…

A: Introduction: A subculture is developed by transferring several cells from an earlier culture to a…

Q: What are the approaches for sterilization during the production of sterile products? Please answer…

A: destruction or complete removal of all living organisms and their spores is called as sterilization.…

Q: The thermal death point is best described as:(a) The highest temperature that will support growth of…

A: BASIC INFORMATION  MICROBES  They are the unicellular organisms which can not seen by naked eyes…

Q: What are the differences between sterilization, disinfection, antisepsis, degermination, and…

A: Sterilization, disinfection, antisepsis, degermination, and sanitization processes are essential for…

Q: Why would the optical tweezers be a method superior to dilution and liquid enrichment for obtaining…

A: Optical tweezers have been used to trap dielectric spheres, viruses, bacteria, living cells,…

Q: ing is a recipe for a bacterial growth medium: 35 g Dextrose, 12 g Aga 1.2g Salt, 3 g Yeast cell…

A: Growth medium can be of many types. Growth media is a media which contains nutrients for chemical…

Q: A bacterial organism is used to inoculate mannitol broth medium. Following incubation the broth is…

A: A nutrient growth medium is a type of solution or mixture that is designed to provide nutrients to…

Q: Why can EMB agar be used to detect the presence of E. coli in particular? Explain the principle of…

A: The bacteria in the laboratory grow under appropriate biochemical and biophysical environments. The…

Q: The thermal death point refers to: 1) The time it takes to kill an organism in an autoclave 2) The…

A: As more and more microbes were discovered and identified as the cause of various infections or…

Q: Describe how each of the following would appear when grown on EMB agar: a. Escherichia coli b.…

A: EMB stands for Eosin Methylene Blue. This media is used as a seletive stain for the gram negative…

Q: You are hired in one of the microbiology labs in Memphis and your first assignment to identify…

A: The last reagent used in Gram staining, which is crucial for differentiating between Gram-positive…

Q: A broth culture is initially inoculated with a single bacterial cell. For the first hour the…

A: * Given that  The bacteria has generation time of 30 minutes. So it takes about thirty minutes to…

Q: Which statement among A-D is false regarding physical and chemical agents of control? A) O Effective…

A: Sterilization and pasteurization are equivalent processes because both are used to kill…

Q: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…

A: Depending on their composition, media can be classified as defined and undefined media. Defined…

Q: What are high level disinfectants? What is an example of one? What is the method of action and the…

A: Disinfectants are chemicals that are used to kill the microorganisms present in the surroundings.…

Q: a) Dilution factor b) Dilution c) Both dilution factor and dilution d) Neither dilution nor dilution…

A: Solution is formed by the solute and the solvent. If the concentration of solute is more than the…

Q: What are the difference in the movement of microorganisms under wet mount from hanging drop…

A: There are some plus point for both the techniques like the wet Mount and hanging drop method…

Q: the step by step process of Nitrate Redution Test using a schematic diagram

A: Nitrate reduction test This test is widely used in microbiology laboratories to determine the…

Q: Differentiate the following sterilization techniques: a. Autoclave b. Dry heat c. Sterile filtration

A: Sterilization is a methodology which involves complete removal of microbes so that such microbes…

Q: Outline the different physical and chemical methods of sterilization. Briefly describe how each…

A: Sterilization is the process that eliminates all forms of life either by deactivating, killing, or…

Q: What are some advantages and disadvantages of using ionizing radiation to sterilize food?

A: Sterilization involves physical methods for removing or controlling the microbes. The physical…

Q: What additional information can you get by using selective and differential media that you cannot…

A: Media for microorganism culture consists of the substances that are required for the growth of…

Q: What is an alternative to autoclaving for sterilizing heat-sensitive materials?

A: Any process that kills, eliminates, deactivates, or removes all forms of microorganisms and…

Q: Why are petri dishes ALWAYS stored and incubated upside down?   Question 17 options:   a)  helps…

A: ANSWER) Petri dish is a transparent dish which is shallow and is used with the purpose of holding…

Q: The difference in the colony appearance of bacteria cells growing on mannitol salt agar is detected…

A: Mannitol salt agar is a selective culture media that is used for the isolation of the pathogenic…

Q: Mueller-Hinton agar needs to be made to specific standards in order to yield reliable, reproducible…

A:

Q: According to the table above, name 1 method that is least effective in killing endospores and…

A: Humans have utilized numerous physical microbial control techniques for food preservation for…

Q: For the following agar media used, list their significant components and explain how they react.…

A: The sheep blood agar is a popular agar medium. It is a differential medium that includes important…