What is the source of the purple color from which the purplesulfur bacteria get their name?

Q: What is the principal reason that organisms such as yeastproduce alcohol?

A: Yeast is considered as the facultative anaerobes, which is used in many industries such as bread…

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: How does E coli grow in liquid medium?

A: The liquid medium is used to grow the bacteria culture in the test tube and also it will involve the…

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: what is the chemical reactivity of the molecule bupropion in its respect to its function?

A: A pharmaceutical drug or a medication is a substance that causes changes in the physiology or…

Q: What is faculative anaerobe and aerotolerant anaerobe?

A: Prokaryotic organisms require different environmental conditions for their survival. Some…

Q: When using CH4 as electron donor, why is Methylococcuscapsulatus an obligate aerobe?

A: Methylococcus capsulatus is an obligate aerobe that uses CH4 as a carbon source. It is a…

Q: what is an enyme

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

Q: What causes the holes to form in Swiss cheese?

A: Cheese is formed by separating liquid part or whey from the curd. Depending upon water content the…

Q: Why are ether-linked lipids in Thermodesulfobacterium unusual?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

Q: What is the purpose of the pentane extraction of spinach juice? Why wouldn’t we want to spot an…

A: Thin layer chromatography, or TLC, is an analytical method to analyse mixtures by separating the…

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: Does Escherichia coli provide positive or negative results for the lysine decarboxylase and…

A: Ornithine decarboxylase test detects whether bacteria uses ornithine amino acid for carbon source…

Q: Why is 70% the optimum concentration used in the preparation of ethyl as an antiseptic?

A: Disinfection is referred to as cleaning a surface with a chemical compound so as to destroy…

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: Do obligate anaerobes require a functional oxidase, why or why not?

A: Oxidase is type of an enzyme that is responsible for catalyzing redox reactions, especially the one…

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: What is hydrophilic ?

A: Water is known as polar solvent for molecules that also act as solvent.

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: Which bacterial species produced amylase?

A: Microorganisms or microbes are microscopic organisms that exist as unicellular, multicellular, or…

Q: Why is 80% alcohol the recommended solvent For the preparation of plant extract?

A: Different plants have different properties due to the differences in their chemical composition,…

Q: What is the significance of studying sialic-binding lectins in microbiology? What other lectins are…

A: Lectins are carbohydrate-binding proteins that attach to sugar groups in other molecules, causing…

Q: What is obligate aerobe and obligate anaerobe?

A: Microorganisms are divided into two categories anaerobes and aerobes. These categories are based on…

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 active agent in the “magic mushrooms” of Mexico, and is it an indole or a catechol?

A: Magic mushrooms (psychoactive fungi) that grow in the United States, Mexico, South America, and many…

Q: What is a microaerophile?

A: Prokaryotes require different environmental conditions for their survival. Some prokaryotes survive…

Q: In what ways is Chloracidobacterium thermophilumsimilar to green sulfur bacteria, and in what ways…

A: Bacteria are member of a large group of unicellular microorganisms. Bacteria have cell walls but…

Q: What is the generally held chemical basis for fixation in a) glutaraldehyde and for fixation in  b)…

A: Fixation used in biological systems for microscopic studies, biochemical studies, for preservation.

Q: What is the trade name of Selegiline ?

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

Q: What is the trade name of Duloxetine?

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

Q: What are the physiological traits that can differentiatesulfur-reducing bacteria from…

A: The physiological traits are those characteristics of the bacterial species that are attributed to…

Q: What are the differences between type I and type IImethanotrophs?

A: METHANOTROPHS  Also called methanophiles They are gram negative.  They can oxidise methane present…

Q: Why is Carotene more soluble, chlorophyll b least soluble?

A: Carotene helps chlorophyll by transmitting the amount of light absorbed by them. It is found in…

Q: Why do most iron-oxidizing bacteria grow at anacidic pH?

A: Iron-oxidizing bacteria are those chemotropic bacteria that obtain the energy for their living and…

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 does  carotene pigments are most stable at acidic pH, and they began to degrad at a…

A: Carotene pigments are photosynthetic pigments in plants and it is composed of unsaturated…

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 is the underlying reason for the differences in spectroscopic properties among the cytochromes?

A: All cytochromes contains the heme group but there are differences in the side chains in different…

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: In terms of pH, what class of organism is the bacteriumEscherichia coli?

A: E. coli is a gram-negative bacteria that is also a well-studied coliform. All microorganisms have a…

Q: What is the trade name of Haloperidol?

A: Asked : Trade name for Haloperidol

Q: What is the morphology and optimum growing conditions of Thermophilic Molds?

A: These are multicellular filamentous fungi.They have thallus which lack true root ,leaves and stem.…

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 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 main role of glycogen in wound hydrogel dressing?

A: Hydrogel rehydrate the wound bed and reduce wound pain.

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…

Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.