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…