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

Q: what does it mean if a bacteria tested positive for indole

A: Like several biochemical bacterial experiments, the results of the indole test are indicated by a…

Q: Why Do not add more than 2 drops of copper sulfate in Biuret reagent?

A: There are several biochemical tests to identify the presence of protein in a sample. There are tests…

Q: Kovac's reagent is added to detect indole.   True or False?

A: True

Q: What materials can easily diffuse through the lipidbilayer, and why?

A: The lipid bilayer is one of the components of the cell membrane. This polar membrane manages the…

Q: What is the purpose of the Frank-Starling mechanism?

A: The heart can be defined as the muscular organ that is approximately about the size of a fist and it…

Q: What criteria are used to determine the specified substrate?

A: An enzyme is a biological molecule that works as a catalyst in living organisms, controlling the…

Q: Why is Molisch’s test used for the determination of presence of pentose in the hydrolysate? What…

A: Carbohydrates are polyhydroxy compounds, composed of carbons, hydrogen, and an oxygen atom. It is…

Q: What does the red dye Prontosil have to do with sulfa drugs?

A: Antibiotics are the medicines which are used to cure infections which are caused by bacteria. These…

Q: What is required to oxidize CuS under anaerobic conditions?

A: Different reactions require a certain kind of environmental conditions in which they occur. Some…

Q: How is galic acid obtained?

A: Gallic acid is a trihydroxy benzoic acid, which is a type of phenolic acid found in gallnuts, sumac,…

Q: What are the two nitrogen atoms in urea's direct biological sources?

A: Introduction: The ornithine cycle, which occurs in the liver, produces urea as a by-product.

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 is the use of propylthiouraci?

A: To Explain: To explain the uses of propylthiouracil

Q: In Seliwanoff’s test, what is the function of resorcinol? What is the aim of using a strong acid?

A: Seliwanoff's test is a qualitative test for carbohydrates. Seliwanoff's test helps to differentiate…

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: Does all reducing sugars give a positive result in the Osazone test?

A: Qualitative tests for carbohydrates helps to detect the presence of carbohydrate in the given…

Q: What is the natural source of jasmonic acid compound and its synthesis pathway?

A: Introduction Jasmonic acid is a compound of plant origin. Some natural sources are the leaf of Fagus…

Q: What are the Regulations associated with Tetramethrin and Lambda-Cyhalothrin?

A: Tetramethrin (HSG 31, 1989) is  a pyrethroid insecticide, and is a chemically synthesized analog of…

Q: What is the United States Pharmacopeia requirement for the pH different antacid preparation?

A: Pharmacopeia is a book containing directions for the identification of compound in medicines, and is…

Q: What is the mechanism of action of macrolides?

A: Macrolides are natural antibiotics that contain lactone ring. They contain both antibiotic as well…

Q: How many times does a secondary alcohol oxidized to a ketone group?

A: In organic chemistry, alcohols are those substances that have a hydroxyl (-OH) functional group…

Q: What are the modes of action of alcohols and phenolics?

A: Disinfectants are the chemicals used for the elimination of the microbial population. The major mode…

Q: What are the types of molasses used in production of baker's yeat and what is the significance of…

A: Molasses is used as a microbiological energy source in a wide range of fermentation processes. It is…

Q: what is the practical application of milk test of aldehydes?

A: Milk powder is an important product for both direct consumption and as a food ingredient. The milk…

Q: what are the clinical implications of measuring alkaline phosphatase isomers and their activity ?

A: Alkaline phosphatase isomers are a group of isoenzymes with low substrate specificity that catalyzes…

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: In the precipitation of Proteins by heavy metal salts, are the salts completely removed from the…

A: Adding chaotropic substances like the salts, increases the entropy and can thus destabilize the…

Q: Name eight sources from which monosaccharaides are obtained.

A: 8 sources of monosaccharides are : glucose Fructose galactose Honey Cane sugar ribose deoxyribose…

Q: What products will result from the hydrolysis of 1-arseno-3- phosphoglycerate?

A: Introduction: In the glycolysis pathway, the enzyme glyceraldehyde 3-phosphate dehydrogenase…

Q: What differences between proteins are responsible for their differential solubility in ammonium…

A: Ammonium sulphate is an inorganic salt with a number of commercial uses. The most common use is  as…

Q: What are the negative effects of using Disulfiram ?

A: Substance abuse It is a condition characterized by uncontrolled use of substances for…

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: How do Tetramethrin and Lambda-Cyhalothrin chemicals behave in water?

A: Pyrethroids are chemical compounds that are derivatives of pyrethrins, produced by chrysanthemum…

Q: Are Xanthoproteic and MillonNasse tests satisfactory for use in the urinary examination for protein?…

A: The pH of urine varies from 5.5 to 7.5. If the diet is rich in proteins, sulfuric and phosphoric…

Q: What is unique about the methanotroph Methylomirabilis?

A: Answer: Introduction: Methanotrophs is also known as methanophiles is a type of prokaryotic cells…

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: How is ethylene glycol poisonous for humans ?

A: Ethylene glycol is a clear , colourless , odourless and non volatile liquid with a bitter sweet…

Q: Among acetic acid, formic acid, lactic acid, benzoic acid, oxalic acid, and succinic acid. Which…

A: Carboxylic acids are organic compounds that have a carboxyl (-COOH) group. They possess carbon (C),…

Q: What is the source of carbon in the formation of urea?

A: Introduction: Breakdown of protein and ammonia produces urea. During the breakdown of proteins, NH2…

Q: What are the functions of the sterols in human body?

A: Asked : Functions of sterol in human body

Q: What compounds are produced by the degradation of purines and pyrimidines?

A: Introduction: Purines and pyrimidines are the nitrogen bases in the DNA that hold the strands…

Q: How is it possible  for certain organisms  to grow and  thrive in the prescence of cyanide?

A: Most organisms need nutrients for energy, water to stay hydrated, and a place to grow that meets…

Q: What is the trade name of avanafil ?

A: Avanafil is an drug that is given orally and is used for treating impotence, which is otherwise…

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: How dose the alkaline reagent affect on the reaction in carbohydrates?

A: The reactions of the carbohydrate monosaccharides can be subdivided into the ones associated with…

Q: What is the mode of action of sulfonamides?

A: Certain chemicals or drugs inhibit the one or other vital functions of pathogenic microbes and serve…

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…

Functional Diversity