Samples subjected to a test were given. Determine the reagent/material in the test.  Methyl salicylate in Spot Test Beeswax in Saponification Test Linseed oil in Iodine Test Tallow in Acrolein Test Perla in Formation of Soluble Salt Cholesterol in Salkowski Test

Q: The first step in identifying an organism from a pure working culture is to perform a(n) __________…

A: The pure culture consists of a single microorganism. This culture helps to easily evaluate the…

Q: Determine what percentage of the culture was living (viable) and what percentage was dead…

A: The word "CFU" in microbiology refers to a colony-forming unit, which is used to estimate how many…

Q: student needed to transfer bacteria from a broth culture to an agar plate. Below is the step-by-step…

A: 5. The loop was flamed

Q: A swab for culture is received from a doctor's  office. The staff forgot to mention the source from…

A: Introduction Microbiology is the branch of science that deals with the study of different types of…

Q: Match the test with the appropriate reagent/ chemical  a. DNA test b. Paper chromatography  c.…

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: a food sample with an unknown number of contaminating bacteria was serial diluted to 10-6. the 10-6…

A: Serial dilution is a process of diluting a particular sample in a solution. The purpose of doing a…

Q: The following is a Mannitol Salt Agar plate. What does the yellow color on the right side of this…

A: In microbiology, mannitol salt agar, sometimes known as MSA, is a popular selective and differential…

Q: Explain the mechanism leading to the given reactions in the inoculated biochemical media.  1.…

A: Triple Sugar Iron test (TSI) is a microbiological test carried out in differential medium to test a…

Q: The stain used in the starch hydrolysis test: a.Does not stain the media surrounding positive…

A: The stain used in the starch hydrolysis is usually iodine. Starch hydrolysis test is used as an…

Q: Which microorganism has a positive Buffered Azide Glycerol Glucose Test? Streptococcus agalactiae…

A: ANSWER;-Streptococcus Faecalis

Q: Choose the one answer that fits best. Which of the following statements regarding the proper…

A: Micropipettes are used in the laboratory to transfer very little quantity of liquid. Parts of Micro…

Q: Lactose fermentation

A: The dichotomous key is the tool for the identification of unknown organism among the group. Choice…

Q: if the organism.is an animal which of the following test would be positive a cellular respiration…

A: The test that is positive for an organism if it is an animal are shown below:

Q: Indicate the correct way of inoculating the following media. Plate Media For sensitivity testing…

A: Introduction A growth media, also known as a culture medium, is a solid, liquid, or semi-solid…

Q: The chart below represents the results (absorbance readings) of your Bradford Assay. Use the data…

A: The Bradford protein assay is a quick and accurate spectroscopic analytical procedure used to…

Q: Samples subjected to a test were given. Determine the result of the samples subjected to the given…

A: Samples subjected to a test were given. Determine the result of the samples subjected to the given…

Q: How would you identify this unknown bacteria using a flowchart and the bacteria below as a possible…

A: Biochemical tests in Microbiology help in distinguishing and identifying bacteria. Through the…

Q: A culture medium is comprised of the following components: 0.5% peptone, 0.3% meat extract, 1.5%…

A: In this scenario, we are tasked with preparing a culture medium with specific components, including…

Q: Which type(s) of medium would be used in each scenario?a. isolating the growth of Streptococcus…

A: A culture medium, also called the growth medium, can be a liquid or solid medium that supports the…

Q: If the organism is a pony which of the following tests would be positive  a cellular respiration…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: 4. Lipids can also be detected by a preliminary translucent spot test, also called the paper bag…

A: A translucent spot test is a qualitative assay for the determination of fats and oils. When the…

Q: Is is best to observe slides of bacteria stained with the acid fast stain under high dry…

A: The acid-fast stain is used to stain the acid-fast organisms. Acid-fast microorganisms have a thick…

Q: Which of the following is FALSE about the Nitrate Reductaion Test, procedure and interpretation?…

A: Among the many biochemical tests conducted on unknown bacterial isolates to identify them, nitrate…

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: colony-forming units

A: Colony Forming Unit:It is designated as CFU.It can defined as the unit of measurement used to…

Q: How do eosin-methylene blue (EMB) agar plates work? What organism(s) are they designed to detect?…

A: Several tests are performed in the laboratory in order to detect several bacterial agents as well as…

Q: The following is a picture of Eosin Methylene Blue Agar. What does the growth on this plate…

A: INTRODUCTION Eosine methylene blue agar Used for the isolation of gram negative bacteria Toxic…

Q: Which of the following are sterile and which are not: benchtop test-tube rack hands and fingers  air…

A: Sterile means any object which is free from bacteria or other micro-organisms and is totally clean.…

Q: This test determines the ability of bacteria to use citrate as source of carbon and inorganic…

A: The citrate test is utilized to check whether a bacterium species can use citrate as a source of…

Q: Which of these microbial structures is the most difficult to kill when attempting to sterilize…

A: Answer of the question given below...

Q: which of these tests (i.e gram stain, acid fast stain, endospore, oxidation to fermentation,…

A: Dichotomous Key:A ‘dichotomous key’ is a series of questions about characteristics of an organism,…

Q: If the concentration of solutes in the fluid surrounding the cell is greater than the cell's…

A: The tonicity of an extracellular solution is the ability of that solution to initiate a change in…

Q: What test can help you differentiate staphylococci from streptococci? What reagent or media would be…

A: Both are gram positive bacteria.

Q: In the third video, glucose, glycine and maltose are tested as samples with the Benedict's reagent.…

A: Introduction: The benedict is used for the detection of simple carbohydrates. It identifies the…

Q: Select all of the following that represent examples of positive stains. Check All That Apply…

A: Staining is the common laboratory procedure which can be specific and general according to the use.…

Q: Which cellular structure is being detected in the motility test? bacterial ribosomes bacterial cilia…

A: Prokaryotes are characterised by the absence of nucleus and membrane bound organelles.

Q: which of the following can be used as a disinfectant on a table top and works by denaturing bacteria…

A: Introduction :  Disinfection is the process of eliminating or decreasing bacteria to a level where…

Q: Examine the given table below. What interpretation can be drawn from the data regarding the test…

A: given here is a table that depicts phenol and a test disinfectant at various dilutions, following is…

Q: Design a serial dilution of a 25-gram cheese sample to achieve a final dilution of 10-5 using 90 ml…

A: In a Series Dilution or sequential dilution the concentration decreases by the same factor at each…

Q: write a detailed description of each of the following tests/media: a. TSI Agar Slant b. SIM Medium…

A: The biochemical and microbial tests are performed to analyze the capability and function of the…

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

A: Serial dilution is a step-wise dilution of microorganisms in the solution. The dilution factor…

Q: which of these tests (i.e gram stain, acid fast stain, endospore, oxidation to fermentation,…

A: A dichotomous key is a tool made by the scientist to identify any living being based on its…

Q: The following data were obtained from pour plates used to test the effectiveness of a food…

A: A colony-forming unit is the number of viable or alive cells in cell suspension that have the…

Q: Which of the following is/are true regarding the acid-fast stain? (There may be more than one…

A: Answer  First option  Non-acid-fast microbes appear blue in a completed acid-fast stain.