Why is Molisch’s test used for the determination of presence of pentose in the hydrolysate? What other test could be used for this?

Q: An unknown carbohydrate turned red when reacted with Seliwanoff’s reagent and quickly gave a red…

A: Seliwanoff's test and Barfoed's test are the qualitative tests for the detection of carbohydrates.…

Q: Explain how the color change occurs with the biuret reagent in the presence of proteins

A: Protein is a polypeptide chain of amino acid, Biuret test is a kind of biochemical test, used to…

Q: What are difference between phenylketoneuria and thalassemia?

A: Human genetic disorders are defects caused by any genetic mechanism like Mendelian genes,…

Q: What are the hydrolytic products of sucrose?…

A: Hi! Thank you for your questions. But since you have posted multiple questions, according to our…

Q: What color difference will be observed in glycogen with iodine test or how can iodine test be used…

A: The iodine test is a qualitative chemical test used to distinguish mono and disaccharides from…

Q: In the estimation of glucose with benedict's reagent, what is resposnible for the white precipitate…

A:

Q: Which sugar is better to use as substitute for table sugar for diabetics, L-arabinose or maltose?…

A: Diabetic people have higher glucose content as compared to normal individuals. Diabetes is caused by…

Q: Urease can catalyze the hydrolysis of Urea, but not the hydrolysis of   diethyl urea. Why?

A: Urease catalyze the hydrolysis of Urea: H2H-CO-NH2→H20Urease2NH3 + CO2 This reaction occurs in two…

Q: what is the purpose of adding HCl in the precipitation of proteins by alkaloidal reagents?

A: Protein precipitation is the process in which protein is separated from any extra contaminants that…

Q: explain the phenylketonuria disease mechanism

A: Inherited diseases are those diseases that come from parents to offspring via the genetic route,…

Q: What volume of the diluted ketamine solution should be

A: Patient dose ordered = 40 mg Available concentration= 200 mg in 2 ml Diluted form= 200 mg in 22 ml…

Q: Identify the kinetic of kojic acid production by the A. niger.

A: According to the question, we have to identify the Kinetic of Kojic acid production by the A. niger.…

Q: Why does Glutathione have a low bioavailability when applied topically

A: Glutathione is a skin whitening chemical substance

Q: Why is D-glucose (dextrose), given intravenously to patients rather than sucrose?

A: In case of weakness sugar molecules are given intravenously and sometimes drugs are also dissolved…

Q: What is phenylketonuria? Discuss its occurrence, symptoms if any, treatments if there are, and any…

A: The pattern of inheritance of a condition caused by a recessive faulty gene copy located on an…

Q: Upon examining the test results for the unknown carbohydrate from all the tests depicted in the…

A: A biomolecule is a molecule created by live cells or organisms. The most common biomolecules include…

Q: Why do trioses and tetroses give negative result for the Molisch’s Test? Explain with the help of…

A:

Q: True or False. Do all reducing sugars produce a positive result in an Osazone test?

A: Reducing sugars: a. Reducing sugars are identified by the part of the molecule that contains the…

Q: what substances interfere with the tests for fructose? for lactose?

A: Seliwanoff's test is the qualitative test for the detection of ketose sugars in a sample. The ketose…

Q: Explain the following given terms: (a) Phenylketonuria, (b) Thalassemia.

A: Mutation: Normal DNA contains a particular sequence of DNA. If the sequence of DNA is changed due to…

Q: whyThe method of oxidation of galactose by concentrated nitric acid is used to detect this sugar?

A: Qualitative tests help to detect the presence of different carbohydrates in a given sample.…

Q: What is the chemical equation of benedict's test for traceable levels of reducing sugars in blood?

A: The presence of any reducing sugar in an analyte can be detected using Benedict's test. The reagent…

Q: What is the medical diagnostic value associated with the presence of the following enzyme in the…

A: Enzymes act as biological catalysts and it is a protein. The chemical reactions are accelerated by…

Q: What is the property of aqueous solutions controls the alpha-amylase's level of activity and how?

A: Aqueous solutions are the solution in which water is used as a solvent. α-amylase is an enzyme that…

Q: In the acid- catalyzed hydrolysis of starch, how can you tell when the hydrolysis of starch is…

A: Starch is a branched polysaccharide that is made up of glucose units linked by Alpha 1,4 ans 1,6…

Q: Why is maltose reduced to Benedict's solution and fermented by yeast?

A: Benedict's test: the presence of reducing sugar that can be disaccharides and monosaccharides in…

Q: Why is Hart's test considered as an indirect way of determining the presence of ß hydroxybutyrate?

A: Beta hydroxybutyrate is not detected directly but it can be converted into acetone which can be…

Q: What energy source is used in the formation of urea?

A: ATP is the principal molecule for storing and transferring energy in cells. It is often referred to…

Q: Why is diethyl urea not hydrolyzed by urease?

A: A chemical reaction is a process that converts one or more substances into another substance.…

Q: Treatment of carbonic anhydrase with high concentrations of the metal chelator EDTA…

A: Carbonic anhydrase is an enzyme that is responsible for the hydration of carbon dioxide and results…

Q: What is a positive result for Osazone test Carbohydrates?

A: Osazone test is used to detect different types of reducing sugar or differentiate reducing sugar…

Q: When alanine undergoes transamination with oxaloacetate, alanine is first converted to alpha-keto…

A: Transamination is defined as the exchange of functional groups that happens between most amino acids…

Q: How many moles of H2 are used in the catalytic hydrogenation of one mole of a  triglyceride derived…

A: Stearate comes from stearic acid and has 18 carbon atom and no double bond. Linoleate comes from…

Q: If a urine sample from a patient gave a strongly positive test for both glucose and ketone bodies,…

A: High glucose level in urine: This physiological problem is associated with a person suffering from…

Q: What mass of calcium citrate would be needed to provide the recommended daily intake of calcium?

A: Two-component of calcium uses to maintain the calcium requirement.

Q: What are the products when the following molecule is hydrolyzed using NaOH (soaponification)?

A: Saponification is a process, in which lipids are converted into soap.

Q: Glucose has been found to react nonenzymatically with hemoglobin, through Schiff base formation…

A: Glucose :  It is a simple carbohydrate or sugar. It is one of several kinds of sugars. It is…

Q: Why is Hart’s test considered as an indirect way of determining the presence of β hydroxybutyrate?

A: The formation of ketone bodies occurs in liver mitochondria when acetyl CoA is stored in large…

Q: what is the disease disorder due to deficiency of propionly CoA carboxylase enzyme ?

A: The carboxylation of propionyl CoA in the mitochondrial matrix is catalyzed by the enzyme…

Q: When the enzyme is incubated with oxaloacetate, will oxaloacetate be observed?

A: Many amino acid biosynthetic pathways involve transamination reactions. The α-amino group from one…

Q: Name the enzyme whose substrate is(a) Urea (b) Cellulose

A: Introduction: Enzymes are proteins that catalyze the reaction. Their main function is to accelerate…

Q: Identify the products generated by the action of pancreatic lipase on the lipid shown.

A: Pancreatic lipase is considered as an enzyme, which is known to digest lipids and these are released…

Q: One test for the presence of many simple carbohydrates is to use Benedict's reagent. What is the use…

A: Benedict's test is used to test for simple carbohydrates. The Benedict's test identifies reducing…

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