what does it mean if a bacteria tested positive for indole

Q: Why was sodium carbonate used in the extraction of caffeine from coffee?

A: Sodium carbonate: It is an inorganic compound is also known as soda ash, washing soda, and soda…

Q: what is an enyme

A: Cells perform chemical reactions to keep the cell alive and stable. Sometimes these chemical…

Q: What is the turgid in the water?

A: Osmosis is the process by which the solute molecules are transported from higher concentration to…

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

A: True

Q: What is a folin-ciocalteau reagent and how can it be used to determine the concentration of uric…

A: Uric acid is the end product formed by the catabolism of purine bases. The normal range of uric acid…

Q: How does soap kill bacteria?

A: Regular soap helps in cleaning the dirt and grease but it also helps to kill bacteria, and viruses…

Q: Why might physicians resort to calling HDLs and LDLs “good” and “bad”?

A: Lipids are biomolecules that have long hydrocarbon chains composed of carbon, hydrogen, and oxygen.…

Q: what will be the possible results in testing the solubility of oil in the water?

A: Polar or hydrophilic molecules are soluble in water and non-polar or hydrophobic molecules are…

Q: Which chemical was the base in the buffer containing NaH2PO4 and Na2HPO4?

A: Acids are substances which have protons which can be donated to other chemical species. Acidic…

Q: What analyte gives a positive result in Molisch Test for Carbohydrates

A: Molisch test is the specific test done to detect the presence of carbohydrates in the solution. It…

Q: Why does glucose not give positive results with an iodine test but not starch?

A: The iodine-starch test is a chemical reaction that is used to presence of starch which gives intense…

Q: What effect does diatomaceous earth have on Oxalates in the body? Does it help getting rid of…

A: Introduction Diatomaceous earth is a unique type of powder that consists of fossilized algae and…

Q: How many times more water does beef require, compared with chicken?

A: The food with the highest water footprint is beef and it uses six times more amount of water than…

Q: What analytes gives a positive result in Benedict's Test Carbohydrates?

A: Benedict's test is a chemical test that can be used to check for the presence of reducing sugars in…

Q: By the means of gas stoichiometry, how soaps are created?

A: Soap is made up of animal fat or plant oil, as well as caustic soda. It dislodges dirt from surfaces…

Q: what does it mean if a bacteria tested negative for citrate

A: Citrate Utilisation Test It is used to determine the ability of an organism to utilize citrate as a…

Q: Would the biuret reagent change color if there was only one amino acid in the solution? Motivate…

A: The Cu2+ in the biuret reagent that forms a complex with the peptide bonds found in proteins. Hence,…

Q: WHAT ARE THE PURPOSE OF THESE TESTS: Molisch test, Benedict’s test, Nylander’s test, Osazone’s test,…

A:

Q: What type of drug is chlorpromazine, and where was it first tested on patients?

A: Psychotic disorders are mental disorders in which the person does not live in reality. He lives in…

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: The commercial hydrogenation of vegetable oil often leads to a trans acid. Explain this statement.

A: Fat hydrogenation is the process of combining fat typically vegetable oils with hydrogen in order to…

Q: Edman's reagent is

A: Proteins are polymer of alpha amino acids. There are 20 standard amino acid found in protein.…

Q: What are the human health effects of Dichlorodiphenyltrichloroethane (DDT)?

A: Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. DDT has also been used…

Q: what are porphyrins ?list their properties.

A: Porphyrins are the cyclic compounds formed by linkage of 4 pyrrole rings through methyne bridges.

Q: The compound used in anti-malarial drug is_______?

A: Malaria is a mosquito-borne infectious disease. It is generally caused by single-celled…

Q: What are the effects of buffer solutions and what is its importance to life processes?

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: What kinds of carbohydrates are identified by the iodine test?

A: Biomolecules have different chemical, physical properties. The difference in their chemical and…

Q: How do I find the optimal temperature for the iodine and starch experiment?

A: The optimal temperature for a particular enzyme is the temperature at which the enzyme attains…

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: Which kind of carbohydrates gives positive result with Seliwanoff test?

A: If a sugar contains a ketone group, it is a ketose while a sugar containing an aldehyde group is…

Q: why would you perform an indole test?

A: The inside test is a qualitative approach of the biochemical analysis of bacteria that determine…

Q: What is the trade name of Selegiline ?

A: Parkinson's disease is a neurological illness that impairs movement. Symptoms appear gradually,…

Q: Turpentine oil is obtained from_______?

A: Turpentine is a volatile oil.  It is used for polishing the furniture.

Q: Why Cepacol is used ?

A: Cepacol is a drug which relieves pain associated with a sore throat or mouth. It can be administered…

Q: What is the trade name of Duloxetine?

A: Trade name : Brand/trademark name  Asked : Trade name of Duloxetine

Q: What are Alu elements? How can they adversely affect human health?

A: An Alu element is a short stretch of DNA originally characterized by the action of the Arthrobacter…

Q: How does a nitrate addition prevent sulfide souring ofcrude oil?

A: The presence of a higher concentration of sulfur in crude oil defines the sour crude oil. It is an…

Q: Will disaccharides and polysaccharides give a positive result for Molisch test?

A: Disaccharides: Di means two which means it is a double sugar. It is a sweet white crystalline solid…

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

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

Q: What do you mean by woronin bodies?

A: Ascomycota is a phylum of kingdom fungi. The members of phylum ascomycota are known as sac fungi…

Q: What is the chemical composition of the majority of gallstones?

A: A gallstone is a stone shaped inside the gallbladder out of hastened bile segments. The term…

Q: Why are emulsions important in food preparation?

A: Emulsion is a solution formed by the mixing of two immiscible liquids. An emulsifier helps to…

Q: What does an acid based reaction that doesn't contain carbonate or bicarbonate produce?

A: When an acid and a base are placed together, they react to neutralize the acid and base properties,…

Q: What are detergents?

A: Introduction:- Detergents are amphipathic compounds with charged hydrophilic or polar groups at the…

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: 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 trade name of Chlorprothixene ?

A: Chlorprothixene belongs to class of thioxanthines and is an low potency anti psychotic drug used in…

Functional Diversity