what are the Amino Acids that test positive for Ninhydrin test? what is the principle of detection?

Q: why does threonine and serine test positive for biuret test?

A: A protein is considered to be a biological macromolecule made up of one or more polypeptide…

Q: What would be the result of hexan-2-one or hexan-3-one on Brady's and Iodoform test?

A: Principle of Brady's Test: 2,4-dinitrophenyl hydrazine(DNP) of Brady’s reagent reacts with carbonyl…

Q: h) Acacia is rarely used as a tablet binder because it can encourage a) microbial proliferation b)…

A: These are some multiple choice questions.

Q: Record the zones of inhibition in the chart above. Which, if any, of the drugs would you prescribe…

A: Antimicrobial agents are compounds used in order to treat infectious diseases as they have the…

Q: When conducting the Triple Sugar Iron Test, what is the result of the bacteria Staphylococcus…

A: Triple Sugar Iron Agar test is a test which has three sugar (Lactose, Sucrose, and Glucose) and also…

Q: Discuss the correct laboratory technique in using the centrifuge for qualitative analysis. Give two…

A: In labs, a centrifuge is a vital instrument that isolates diverse parts of a mixture, like fluids…

Q: A solution of flycine and a solution of albumin were prepared with the same concentration (g/L). One…

A: The ninhydrin test is a chemical that is used to determine the presence of alpha amino groups in the…

Q: What is optical density (OD) and how is it measured? How is it related to the concentration of the…

A: UV–vis spectrophotometric optical density (OD) is the most commonly-used technique for estimating…

Q: On the basis of the appearance of this place, what are you testing for? When you added a reagent to…

A: Catalase is an enzyme that reacts with hydrogen peroxide to form water and oxygen. Catalase enzyme…

Q: A vial of Doxorubicin reads 0•5g per vial. Instructions say to reconstitute each 12mg with 2•5ml of…

A: Doxorubicin, a potent chemotherapy medication, is commonly supplied in vials with a specified…

Q: Give the chemical principles involved in a positive Biuret test, Millon’s Test and Sakaguchi Test.…

A: The color reactions of the proteins are useful in identifying the amino acids present in them. The…

Q: Can galactric acid test/mucic acid test be used to determine the presence of milk in milk-chocolate…

A: A nutrient-rich white fluid secreted by the mammary glands of the mammals is referred to as milk.…

Q: How is the oxidase test performed? Using Kovac’s reagent swab

A: The oxidase test is a microbiological test used to identify bacteria that produce the enzyme…

Q: The total number of cells in a culture is counted using the trypan blue exclusion assay and is found…

A: Dilutions are used in microbiology to reduce bacterial concentrations to a needed concentration for…

Q: From a 5% normal saline (NaCl) solution, take 2 ml and dilute it 1:5. Take 5 ml of this solution and…

A: A serial dilution is a laboratory technique that uses a series of consecutive dilution steps to…

Q: The Kirby-Bauer test examines the effectiveness of antibiotics and disinfectants or antiseptics on…

A: Zone of inhibition  It is the circular shape area around the antibiotic tablet placed in a culture…

Q: What is the mode of action for kanamycin? Is it bacteriostatic or bactericidal?

A: Antibiotics are the substance or medicines that either kill the bacteria  or cease the growth of…

Q: Why do we use 'corrections' to the Creatinine clearance test?

A: Creatinine clear test is used to assess the kidney functions, The amount of the kidney that is…