Why Do not add more than 2 drops of copper sulfate in Biuret reagent?
Q: Which of the following statements is true regarding BoTox?
A: The question is all about the drug botox the long form is Botulinum toxin i.e Botox this drug is…
Q: Why is Hydrogen peroxide solution so effective against anaerobes?
A: Hydrogen peroxide is a chemical compound that is acts as mild antiseptic. It is also an endogenous…
Q: What is the difference between Dry and Wet Celloidin Method?
A: Celloidin method is a histopathological technique of tissue impregnation and embedding that helps to…
Q: What are the common elements of puncture wounds, crush injuries,and compound fractures that…
A: Clostridium perfringens and a few other species of Clostridium cause necrotic tissue infections in…
Q: Define sterilant, and name the principal sporicidal chemical agents.
A: Sterilization is defined as the process where all the living microorganisms, including bacterial…
Q: What is the logic behind testing for E. coli to detect fecalcontamination of water?
A: Bacteria are unicellular prokaryotic organism that maintains a definite shape since it contains the…
Q: Organism 1 Organism 2
A:
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: Why is picric and tannic acids used in treating burns and diarrhea?
A: Picric acid is a potent explosive that is a derivative of phenol. Picric acid is a chemical compound…
Q: What is Pasteurization?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Why does the nitrate reduction tube turn red after the addition of zinc?
A: Nitrate reduction test is used to find the bacteria who have the ability to reduce the nitrate.
Q: Why did Anfinsen use urea and β-mercaptoethanol in hisexperiments?
A: Christian Anfinsen conducted an experiment in the 1950s and determined that specific amino acid…
Q: What effect does the H2O2 have on bacteia in the catalase test?
A: The production of toxic substances like hydrogen peroxide due to metabolic activities can be lethal…
Q: How does the concentration of H+ change when a culturemedium at pH 5 is adjusted to pH 9?
A: pH is the measure of acidity or basicity of a solution. If pH of a solution is 7, then it is…
Q: Why is lipopolysaccharide considered to be an endotoxin?
A: Lipopolysaccharide is an outer cell membrane component found in gram-negative bacteria.
Q: Between Enterobacter aerogenes and Enterobacter cloacae, which are positive or negative for…
A: The result is shown below.
Q: You have been assigned to your first comatose patient, and you notice 0.12% chlorhexidine gluconate…
A: Chlorhexidine gluconate solution: Chlorhexidine gluconate is used as oral rinse to prevent…
Q: What is the pH indicator in the mannitol salt agar plate? O Bromcresol purple O Kovac's reagent O…
A: For isolating pathogenic staphylococci from samples, cosmetics, and microbial limit tests, Mannitol…
Q: What is Zeta Sedimentation Ratio?
A: As per our answering policy, we can only answer one question at a time. Please post the other…
Q: How many fecal coliforms per 100 mL are in the sample?
A: These bacteria are harmless microorganisms that live in intestines of many warm and cold blooded…
Q: Is colistin Naladixic acid agar selective and/or differential? Explain
A: C-CNA (Columbia-CNA Agar) is a form of selective media that favours Gram-positive bacteria.
Q: Identify the microorganism/ group of microorganisms involved in the spoilage of Salmon pink…
A: Fermentation is a metabolic interaction that produces chemical changes in natural substrates through…
Q: can the phenol red test also be used to determine if a certain bacterium can metabolze various…
A: Differential media is a type of growth media used in the labs to grow and differentiate or…
Q: What is the purpose of the sodium thiosulphate in the testing of treated water?
A: Testing of wastewater and treated water both demand a standardized process to be followed to obtain…
Q: Draw the products formed when β-D-galactose is treated with below reagent. NaH + C6H5CH2Cl
A: The products formed when β-D-galactose is treated with NaH and benzyl chloride has to be given.
Q: What is the media used in Urease Test and expected results?
A: Urease test is defined as a biochemical test that distinguishes the basic alkaline fermentation of…
Q: Why sucrose gives negative Benedict test?
A: Benedict's reagent is a chemical reagent which is a mixture of sodium carbonate, sodium citrate, and…
Q: How was the product of streptomycin isolated by the scientist who discovered this?
A: Streptomycin was first discovered by the American biochemists Selman Walksman,Albert Schatz and…
Q: What is the purpose of PSP (Phenolsulfonpthalein) Test?
A: Please follow step 2 for detailed explanations.
Q: What ingredients we should avoid after apply 0.5% bakuchiol?
A: Introduction Bakuchiol Is A Vegan Skincare Component Present In The Psoralea Corylifolia Plant's…
Q: What is the point of the pressure in the autoclave sterilization?
A: Autoclaves are the devices which are like pressure cookers and used in laboratories that provide a…
Q: what is the use of calcium hydroxide in the alkaloidal extraction?
A: Calcium Hydroxide : It is an inorganic compound with the chemical formula Ca(OH)2. It is a colorless…
Q: in order to obtalh organic compouhds from the obtained plant ekstaktin in pure form, it is used…
A: In Order To Obtain Organic Compounds from Plant Ekstaktin in pure form -- Organic Compounds…
Q: Why are amino acids solid at room temperature?
A: Since you have posted multiple questions, we solve the first question for you. To get the remaining…
Q: in the isolation of alkaloid,in the early stages of acid or base required conditions. explain the…
A: Alkaloids are secondary metabolites derived through shikimic acid pathway. They are nitrogen…
Q: In the Mannitol Salt Agar, why is there no observed growth of Escherichia coli?
A: In microbiology, mannitol salt agar is a typical growth media. It promotes the development of one…
Q: Why are most iron-oxidizing chemolithotrophsobligate aerobes, and why are the better-studied…
A: An obligate aerobe is an organism that requires the presence of oxygen for their growth. During…
Q: Do pure cultures have to be used in a chemostat?
A: Chemostat is a culture chamber where microorganisms are cultured under static environment. The…
Q: Explain why it is important to wash the wells with PBS between the additions of each reagent?
A: ELISA is a enzyme linked immunosorbent eassay. It is a process to get the measurements of antigens…
Q: Other than the PYR test, what is another use of the PEP reagent?
A: PYR is a colorimetric method used to detect the presence of pyrolidonyl arylamidase activity in a…
Q: Why did we add agar after we measure the pH?
A: pH means p stands for potential or power.H stands for Hydrogen atom.It is the power of the Hydrogen…
Q: You have been assigned to your first comatose patient, and you notice 0.12% chlorhexidine gluconate…
A: Introduction:- Patients who are admitted to hospital with a prolonged stay in hospital are at an…
Q: Provide a detailed conclusive analysis for the preparation of methyl orange.
A: Preparation of methyl orange : Methyl orange is prepared from sulphanilic acid. Sulphanilic acid…
Q: Why is sulfate (SO42-) added to a Winogradsky column?
A: Winogradsky developed the columns as a means of enriching sediments and soils for microbes.…
Q: What is the most accurate method for the determination of acid insoluble lignin in a lignocellulosic…
A: The structural material of most of the plant support tissue is made up of lignin which is a very…
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- What is the difference between an orange Bial's reagent and a green Bial's reagent if both of them contain orcinol, HCl and Ferric chloride?Explain why it is important to wash the wells with PBS between the additions of each reagent?why is ethanol produced from fermentation positive in iodoform test and what functional groups are present?
- Kovac's reagent is added to detect indole. True or False?Why is sulfate (SO42-) added to a Winogradsky column?Nitrate reduction to nitrite is indicated by the formation of a pink to red colour after addition of nitrate test reagent. However, if a culture does not produce a colour change several posibilies exist. Explain.
- You have been assigned to your first comatose patient, and you notice 0.12% chlorhexidine gluconate (CHG) solution is ordered. Why is this necessary? What is the benefit to the patient? EXPLAINHow can one remedy the effect of pH change due to sterilization?Why does the oxidase test must be performed from blood agar or another medium without a fermentable sugar as MacConkey agar?
- What is the optimal pH range for (PACI) coagulant?What is the dilution factor used for the glycogen isolate? Show complete solution.You have been assigned to your first comatose patient, and you notice 0.12% chlorhexidine gluconate (CHG) solution is ordered. Why is this necessary? What is the benefit to the patient?