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

Q: upply a thorough yet concise description of your results for this method

A: Answer.  The given graph is between Time vs Growth measured via absorbance where the time is in…

Q: Preparation of Microbial Suspension  1. McFarland Standard was not properly shaken prior to use.…

A: Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and…

Q: What is the function of a differential media? What are three examples of Differential media And…

A: Different types of media are used to study the microbes. Differential media is also known as…

Q: explain how different detergents take out proteins selectively out of membrane.

A: * Detergents are  molecules that form hydrophobic-hydrophilic interactions among molecules .…

Q: O O What is the component in a biochemical media test responsible to inhibit a certain group of…

A: Biochemical tests are helpful in identification of bacterial species by separating them on the…

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: 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: 3. Could a MacConkey agar plate be used in place of the EMB plate in the Standard Analysis of Water?…

A: Bacteriological (standard) water analysis may be a technique of analysing water to estimate the…

Q: Determine the amount of dehydrated medium needed to prepare 50 nutrient agar plates. Include amount…

A: Nutrient Agar is a general purpose, nutrient medium used for the cultivation of microbes supporting…

Q: Need help  Can a pure culture be prepared from a mixed culture in a broth or plate? Explain.

A: INTRODUCTION How to make a pure culture from mixed culture is explained below.

Q: Short description of the process occurring at each step of the extraction in the miniprep process…

A: A bacterium's plasmid is a circular, double-stranded extrachromosomal DNA with two strands. It's…

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: Ideal solvents for fat extraction should: a- penetrate sample particles readily, be in single…

A: Asked: Correct option regarding ideal solvent for fat extraction

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: 4. On a TLC plate containing silica gel, which compound will have the largest R value when ethyl…

A: Rf value, also known as retention factor value, is a chromatographic measure that describes the…

Q: All recipes are given per litre unless specified.   Lambda Broth (LB) Plates…

A: Give, The final volume (V2) = 5mL. The stock concentration of MgSO4 (C1)= 1M The desired…

Q: Bacteria should grow on plates with media containing . ..... to perform blue/white screening   x…

A: Bacteria should grow on plates with media containing beta galtoside is required to perform…

Q: Reason why capsule is very important to microorganism?

A: Capsules are gelatinous layers that surround the cell wall of some microorganisms, such as bacteria…

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: Drag and drop the labels into their corresponding empty boxes within the figure to complete the…

A: Microbial growth control also referred to as sterilization in which all forms of microbial life has…

Q: THE SPECIFIC POWER BACTERICIDAL LAMP CLOSED TYPE, SHIELDED BE LESS THAN (W / M ') 1. 1 2. 2-2,5 3. 4…

A: UVGI stands for Upper room ultraviolet germicidal irradiation.

Q: Detergents are______.

A: Detergents are the surfactants or the mixture of surfactants. Surfactants are the compounds that…

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: lassification of bio pesticides

A: Bio-pesticides are a type of pesticides that are derived from living organisms. These  are usually…

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: Microbes that can survive and thrive in extreme environments are called extremophiles. In this…

A: Extremophiles are organisms, typically microbes, that are capable of thriving and surviving in…

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: What temperature is considered adequate for achieving sterilization of a compost pile?

A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…

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: Besides dehydrated foods, how might the amount of water available to microbes be decreased? Group of…

A: Dehydration is a method that has been used for centuries to preserve foods such as raisins, etc. It…

Q: Which of these disinfectants is least effective against E. coli? a. Chlorine b. o-phenylphenol c.…

A: Disinfectants: These are the chemical compounds which are applied on the non living objects to kill…

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: Compare the relative abundance of microbial growth on the agar surface touched by unwashed and…

A: Microbial growth is the increase in the number of microorganisms in a specific environment or…

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: Membrane filters

A: Membrane filter are made up of cellulose.

Q: PROCEDURES FOR PARAFFIN, CELLOIDIN,VACUUM,EPOXY ADNF RESIN EMBEDDING

A: Introduction  Embedding refers to the process of embedding or placing a tissue or specimen in a…

Q: Detergents area. high-level germicidesb. surfactantsc. excellent antisepticsd. used in disinfecting…

A: Detergent is a synthetic compound that has cleansing characteristics.

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: Saline water is purified to get condensate. Select one: True False

A: Water that contains a large amount of dissolved salt such as sodium chloride (NaCl) is known as…

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: Extraction/isolation of eugenol Plant sources Identification tests including the expected positive…

A: Oils are commonly used in three ways: eating, applying to skin and diffusing. When consuming or…