During the lumbar puncture 3 bottles are used: Why don’t they spin the sample that will be used for biochemistry?

Q: You have performed a serial dilution of an unknown sample and counted 73 CFU on a countable plate…

A: Serial dilution is method of diluting a bacterial culture in succession. The process reduces the…

Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative?…

A: Benedict's test is used for the identification of reducing sugars such as simple carbohydrates…

Q: The table below summarizes the results for Millon's test. Provide the correct remarks from the…

A: Millon’s test is an analytical test used for the detection of the hydroxy phenol groups. Since the…

Q: The table below summarizes the experimental results obtained from test performed on two types of…

A: IODINE TEST : The iodine test is a chemical reaction that is used to test for the presence of starch…

Q: Which of the following chromatographic methods is best Use O Reversed phase liquid-liquid partition…

A: The correct Answer is option3  Absorption Chromatography

Q: If 0.1 ml is added to 99.9 ml medium, this results in a dilution of: Select one: а. 10-3 b. 10-4 С.…

A: Dilution is a process of decreasing the concentration of solute present in a solution. Dilution is…

Q: where will you dispose of the waste from Molisch test?

A: Sugars or carbohydrates are the most abundant biopolymers in living organisms. Carbohydrates are…

Q: Four amino acid samples were subjected to a reverse-phase chromatography set up and yielded the…

A: Amino acids differ from each other on the basis of their side-chain properties. Some amino acids are…

Q: What are the advantages of the API 20E test compared to regular biochemical tube media

A: API 20E test helps in the determination of bacteria from lab-scale activated sludge treatment…

Q: You requested the following media/reagents for your unknown. What are you testing for with each…

A: The majority of bacteriological culture media are available commercially as pre-made or as bases…

Q: Which type of radiation is most likely to be used for isotope scanning?(a) alpha(b) beta(c) gamma

A: A radionuclide scan is an imaging method that utilizes a little dose of a radioactive chemical…

Q: tate the apparatus used view small samples

A: The world is full of organisms. Organisms have developed from minute single celled structures to…

Q: How are clinical chemistry test results used to confirm or rule out a presumptive diagnosis? Why is…

A: Any medical test's primary goal is to assess if a patient does or does not have a specific disorder.

Q: if the biuret reagent was allowed to stand for 1 hour, what would the effect on the accuracy of the…

A: * biuret test is also called as Piotrowski test used to detect presence of peptide bonds. *In…

Q: Koch's postulates include all of the following EXCEPT O 1) Isolate the organism in pure culture. The…

A: Koch's postulates are a series of findings and experimental criteria suggested in the late 1800s by…

Q: Practical techniques used to identify unknown microorganisms’ You should include the types of tests…

A: Microbiology is the study of microorganisms, identification, and classification of a particular…

Q: A radioactive molecule is added to a cell culture where the process shown in the diagram is taking…

A: DNA is a double stranded helical molecule that is made up of repeating nucleotides. The nucleotides…

Q: yield

A: The Dische's test is a chemical test that is utilized to detect the presence of DNA in a solution.It…

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: You count 4 squares of a hemacytrometer and ontain 82,65,85 cells in each squy.what is the cell…

A: Hemocytometer is device used for the counting of blood cells in a sample. It has counting chambers…

Q: If you conducted an acid-fast stain on a sputum sample from a person with tuberculosis, what would…

A: The acid-fast staining technique is a differential staining technique. The bacteria which get…

Q: In which type of chromatography, solvents of increasing polarity are passed through a column of…

A: Chromatography is the most important technique for isolating and purifying biomolecules. It is a…

Q: | || | | || | || 1 45 Using the figure, which lane has a poor quality sample and is possibly…

A: Electrophoresis (Gel electrophoresis) is commonly used in labs to study a mixture of biomolecules…

Q: General Concept: Match each test with the substance detected Match each test with the substance it…

A: There are several tests available to detect different substance in any food products or other…

Q: A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could…

A: Carbohydrates are the chief biomolecules which act as energy source. Most of the body cells depend…

Q: omatography with other chromatography

A: Chromatography can be defined  laboratory technique for the sepration  of the mixture. The mixture…

Q: Describe the Ninhydrin test. What does Ninhydrin test detect?

A: The ninhydrin test is a chemical procedure for detecting ammonia, primary/secondary amines, and…

Q: Discuss the significance of the following processes and what constituent is being determined: a.…

A: Borntrager’s Test: This is a quantitative chemical test for the glycosides in any given sample, this…

Q: Why an equal volume of air is injected when performing self-saleability test for rubber closure of a…

A: Self-sealability test is a form of quality control test that is done to test the integrity of rubber…

Q: You are testing a sample of water from a swimming pool. You count a plate made from a 1 mL transfer…

A: Dilution is a process by which solution (water or diluents) are added to the solvent (main solution)…

Q: With the constants you have for each objective, compute for the sizes of the given cells below.…

A: As we know that cell is the structural and functional unit of life it performing all the essential…

Q: You have carried out an experiment using the spectrophotometry concept. A solution containing…

A: The  Biuret, Lowry and Bradford methods are used for colorimetric determination of concentration of…

Q: Actual resut or product Name of test Test compound Reagents used Formaidehyde Benzaidehyde Tollen's…

A: The chemical group that consists of a carbonyl-carbon atom and a carbonyl-oxygen atom that are…

Q: How can you use Uv-visible spectroscopy in qualitative and quantitive analysis of drugs? Please…

A: Different molecules are present in nature. Each molecule is made of the same or different atoms.…

Q: What special precautions must be taken when using the oil immersion (100x) objective?

A: Using oil immersion reduces the air gap between the glass slide and the objective lens. This air gap…

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: To measure the culture temperature, why is the thermometer placed in a tube separate from the…

A: A microbe or microorganism is a microscopic organism that is too small to be seen with the naked…

Q: Which of the following specimens would not give falsely High values if- :used for urea analysis

A: Urea is known as the ruler nitrogenous end outcome of the metabolic crash of the proteins in almost…

Q: If you prepared a tube with 10-2 dilution and from this 0.1 ml ia taken into 9 ml medium, the new…

A: Given  Initial concentration 10-2  Volume taken = 0.1ml  Volume added = 9 ml  Find final dilution…

Q: If you started with a bacterial concentration of 2,000,000 bacteria/ml and wanted to plate out 40…

A: In the question it is asked that they want to plate out 40 bacteria, and this count comes under the…

Q: Would you expect the results from the MAC test to corroborate the results from the EMB test? Explain…

A: The investigation of microorganisms is significantly aided by the ability to culture them, that is,…

Q: Add milk to the test tube until the pH reaches 10 • Wait 5 minutes . Use iodine to test for starch…

A: Salivary amylase is an enzyme produced by the salivary glands and it is secreted into the mouth. It…

Q: The quality of essential oils has been tested using different methods including: (Select all that…

A: Chromatography is a laboratory method of separating the mixture into individual components. It…

Q: Use the dilution scheme to answer. The concentration of bacteria in the original sample is CFU/ml.…

A: The Entire Viable Count refers to the total number of colonies (TVC). The cfu/ml (colony forming…

Q: When analysing blood samples for alcohol it is often best to use headspace gas chromatography.…

A: Headspace gas chromatography uses headspace gas from the top or head of a sealed container…

Q: TEST ONE: When one uses Benedict’s reagent added to UNKNOWN samples taken and added (as a liquid) by…

A: Biomolecules are organic compounds produced by living organisms. They play important function as…

Q: a sample was diluted by placing a 0.1 mL of dilutent and 1 mL of this dilution was pour-plated.…

A: The CFU/ml in the Original Culture

Q: Give the ideal observation for the positive results of the following samples to complete the table…

A: Proteins or peptides are composed of twenty standard amino acids attached via peptide bonds. These…

Clinical Pharmacology

Pharmacology is a discipline of medicine that studies how medications interact with the systems and processes of living organisms, focusing on drug action mechanisms as well as therapeutic and other purposes.