component used as a solidifying. .-1 agent for media

Q: What are the modes of destruction and applications of the following agents: 1.Heat 2. Alcohol 3.…

A: The PHYSICAL METGODS of sterilization involve use of heat, filtration, radiation, desiccation and…

Q: O gure 1. Microbial colonies when plate was exposed from air inside the laboratory and incubated for…

A: Microbes are diverse organisms with unique capabilities and features. Most microbes are single…

Q: 3. To culrue Iml b Ime Ime ime in 9) bb me 0.1 ml inal dilntion on plets TMT C 72.1 +colonies…

A: Dilution is defined as the ratio of volume from the stock to the final volume.  Dilution: Volume…

Q: What statement correctly explains why moist-heat is more effective than dry-heat for sterilization…

A: The aseptic technique is devoid of any organism that is achieved in laboratory set-up through…

Q: Which of the following microbes grow best below 20 degrees C? Othermophiles O mesophiles…

A: Introduction All organisms have a optimum temperature in which they can survive. Specifically,…

Q: 300 +0,005 mg/mL - 0,010 mg/mL - 0,015 mg/mL +0,020 mg/mL 0,025 mg/mL + 0,030 mg/mL -0,035 mg/mL 250…

A: Microbial Growth Curve: The number of living cells in a bacterial population over time is…

Q: Which of the following would be best for sterilizing a pre-sealed case of plastic medical supplies?

A: Answer - Autoclave

Q: _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization…

A: Sterilization refers to any process that removes, kills, or deactivates all forms of life, in…

Q: The optimum growth pH for a microorganism is usually:  4,5,7 or 8

A: pH is the scale on which the acidity or alkalinity  is measured. It is the scale between 1 to 14.…

Q: Agar is a solidifying agent used in media preparation. What is its origin?

A: Agar gel is a polysaccharide which can become liquefied at temperatures ranges from 85°C to 90°C and…

Q: Which of the following terms is an absolute condition? Degermation Disinfection O Sanitization O…

A: In various fields, such as healthcare, food processing, and laboratory settings, ensuring…

Q: explain why disinfectants that has a residual is preferable to one that does not

A: Introduction Disinfectants are chemical substances or compounds that are used to kill or inactivate…

Q: Questions 1 Predict the effect of the following "mistakes" made when performing a Gram stain. Your…

A: In order to understand the mistakes made in Gram staining procedure we need to understand the whole…

Q: Growth of microorganisms can't be controlled in a lab setting.  true/ false

A: The microorganisms are simplest creatures on earth that are responsible for so many diseases and…

Q: Indicate the possible source of microbiological contamination and ways to mitigate this problem…

A: Microbiological contamination is defined as the non-intended introduction of infectious material…

Q: List any disinfectant or antiseptic agents. The question is in the picture.

A: Disinfection -- Disinfection can be defined as cleaning an article of some or all of the pathogenic…

Q: Which one of the following statements about liquid media is false Select one: a-is prepared without…

A: Liquid media are growth medium used in the microbiological experiments. They can provide a medium on…

Q: With the low nutrient concentrations in manures/organic matter, why use it at all

A: In agriculture, plant yield is enhanced by using pesticides and chemical fertilizers such as urea,…

Q: Describe the main purposes of media, and compare the three categories based on physical state,…

A: Media in microbiology refers to the solution which has an adequate amount of nutrients and physical…

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: True or False: Alkalinophiles live best in acidic conditions.

A: Acidophiles, are microorganisms that thrive in acidic environments, such as acid mine drainage or…

Q: Which of the following is NOT a physical method of microbial control?

A: Sterilization is defined as a process of complete elimination or destruction of all forms of…

Q: For a microbial cell to grow at its maximum specific growth rate, which of the following conditions…

A: The specific growth rate is a measure of the rate at which a microbial population increases in size…

Q: Why should Erlenmeyer flasks hold not more than 60% of their capacity?  When can gelatin be used in…

A: 1*Erlenmeyer flasks are used to contain liquids and for mixing and heating and cooling, incubation…

Q: Enlist the differences between crude media and defined media.

A: Crude media have rough composition of media which is needed for fermentation . Defined media is a…

Q: Prove if the statement is TRUE or False with complete solution.   At a dilution factor of,…

A: Data on colonies grown after plating pasteurised milk samples is provided. Because each cell…

Q: Why does turbidity in a cultured media losses its reliability at high cell concentrations?

A: turbidity is used as a measure of cell density within a culture sample.

Q: Work N2. Initial isolation of pure culture anaerobic microorganisms from mixture of bacteria soil…

A: When separating anaerobic microorganisms from a mixture of microbes, it is essential to utilize…

Q: You were tasked to determine the total microbial load of a bread sample. The sample was homogenized,…

A: Question: Draw a schematic diagram illustrating the proposed experimental setup described above?

Q: You have a broth medium that you would like to turn into a solid medium in order to do streak…

A: The "nutrient broth" is essentially nutrient agar without the solidifying agent. They stay liquid at…

Q: Appearance Motility observed Staphylococcus epidermidis Escherichia coli of 1180 C e

A: Staphylococcus epidermidis is a gram-positive microorganism that is commonly found in the human…

Q: A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)…

A: Obligate aerobes are those bacteria that grow exclusively in the presence of molecular Oxygen and…

Q: During media preparation, you observed that the agar medium did not solidify after sterilization…

A: Nutrient Agar Medium is the artificial media which is used to grow microbes. It provides essential…

Q: A student is preparing a batch of broth media. He dispenses into tubes,but realizes he is running…

A: According to the question, A student is preparing a batch of broth media. He dispenses into tubes…

Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…

A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…

Q: Please label the figure to demonstrate your understanding of selective and differential media.…

A: A culture media or growth media is a liquid, gel or solid designed that support the growth of…

Q: Leachate production is what

A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…

Q: Compare and contrast the action of alcohols, halogens, and ­oxidizing agents in controlling…

A: Alcohol is used as disinfectant for centuries.Alcohol is extremely effective in fight against single…

Q: When testing antimicrobial compounds on lawns of plated bacteria, the strongest germicide could…

A: Bacteria are prokaryotic unicellular organisms that are omnipresent in the environment. There are…

Q: Materials Selection, Re-use, and Recycle.   Answer the following question.…

A: Introduction: Industrial and manufacturing plants utilize complex equipment, materials, and…

Q: Please match the type of media with its corresponding example to test your understanding of liquid,…

A: A growth medium may be a solid, semi-solid, and liquid designed to support the expansion of…

Q: An agriculture extension agent is preparing pamphlets on prevent­ing the spread of disease. In the…

A: Disinfectants are antimicrobial substances that are applied to the surface of non-living objects to…

Q: Multiple Matching. For each type of medium, select all descriptions that fit. For media that fit…

A: A culture medium is a solid, liquid or semi-solid, designed to support the growth of microorganisms.…

Q: Radiation when applied will be more effective on gram negatives bacteria than any other pathogen of…

A: In the food sector, ionising radiation can be used to reduce the amount of microbial pollutants,…

Q: Fill in the blanks: is away from the midline.

A: In anatomy the knowledge about different positioning and body planes must be needed that helps in…