Why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of bacteria?

Q: How would one go about identifying the active site residues in the laboratory?

A: Proteins that can catalyze all biochemical reactions are known as enzymes. The active site is 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: Can you explain in detail why do cells use general acid catalysis and not specific acid catalysis?

A: Cellular metabolism involves many pathways like glycolysis, Krebs cycle, lipolysis and energy…

Q: The lipopolysaccharide of Gram-negative bacteria is composed of the following EXCEPT:

A: Bacteria are characterized by the presence of a cell wall but not all bacteria have cell walls.…

Q: How can we identify a noncompetitive inhibitor?

A: Enzymes are biological catalysts that help in catalyzing or speeding up biological reactions by…

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 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: phenazopyridine

A: Phenazopyridine could be a pain reliever that affects the lower a part of your tract (bladder and…

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: When combining 0.5 mL of Lysozyme solution (with a concentration of 10 mg/ml) and 0.5 mL of water,…

A: Lysozyme is an enzyme which catalyzes the hydrolysis of peptidoglycans present in cell walls of…

Q: What are antipyretics and how do they work?

A: A drug is a chemical substance that causes physical, behavioral, and emotional changes in the body.…

Q: Triclosan is one of the most widely used antimicrobialagents in household products. It is:(a) A…

A: Answer is b.) A phenolbased compound.

Q: What is known as montreal protocol?

A: Montreal protocol is an international initiative for ozone depletion.

Q: What is contact inhibition?

A: Contact inhibition is a phenomenon shown by the normal cells in the animals which involves when two…

Q: Which is more effective as an antiseptic: ethyl alcohol or isopropyl alcohol? Choose only one and…

A: Alcohols are widely used for their sterilizing properties. They are widely used as an ingredient of…

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 are the types of analogue in medicinal chemistry? and why it is so important in drug discovery…

A: Introduction Drug analogs in the medicinal industry are compounds sharing structural and therapeutic…

Q: Why does picric acid and tannic acid are used to treat burn?

A: Picric Acid, is an organic compound chemically known as 2,4,6-trinitrophenol. It is a pale yellow…

Q: Penicillin reacts with the cysteine residue of penicillin binding protein. Show the reaction here.

A: Penicillin is a beta-lactam antibiotic. Penicillin kills the bacteria by inhibiting the synthesis of…

Q: What type of reversible inhibitor are sulfanomides?     Competitive     Uncompetitive…

A: Substrate molecules get converted to product molecules during a biochemical reaction. Enzymes are…

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: Why we use glutaraldehyde in production of biomaterials ? What can we use instead of glutaraldehyde?

A: In the field of biomaterials, there is a combination of medicine, physics, biology, and chemistry.…

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: Ranitidine is better than Cimetidine?

A: Drug therapy aids in the treatment of various medical conditions by the administration of a drug…

Q: What is the role of imidazole in Ni-Affinity Chromatography?

A: Chromatography is the technique where the mixture of proteins gets separated based on various…

Q: If we want to observe the following reaction, what must we add to a test tube? Select all that…

A: A chemical reaction is defined as the interaction between different molecules.

Q: Compare AND contrast an intercalator and an alkylating agent.

A: Intercalating agents and alkylating agents, both have effects on the cell's DNA by altering it.

Q: What is the oligodynamic effect? To which chemicals does the term oligodynamic effect apply? Give 2…

A: Microorganisms are the microscopic living things around us. They can inhabit a variety of habitats…

Q: Is the formation of a serine ester an example of acid/base catalysis, group transfer or…

A: Serine residue has an -OH group acting as a nucleophile, attacking the carbonyl carbon of the…

Q: I have an aqueous solution of tyrosinase but I require the solid form of tyrosinase.   How would you…

A: Tyrosinase is an enzyme which is present in plant and animal tissues. Tyrosinase catalyzes the…

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: SEE EXAMPLE IN THE IMAGE A mixture of 0.20M acetic acid and 0.30M sodium acetate is given. Calculate…

A: The Henderson Hasselbalch equation for calculation of the pH of a solution of weak acid and its…

Q: Penicillin G inhibit?

A: Penicillin interferes with the production of a molecule called peptidoglycan. Peptidoglycan…

Q: You have 12 mL of cells you need to treat with Hydrogen Peroxide (H2O2), such that the final…

A: Given , Volume of cells = 12 mL Final concentration of H2O2 = 50 uM The amount of 30 mM stock…

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: Why are some solutes soluble in water and solutes soluble in cyclohexane ?

A: The solvent is the substance, in which the solute gets dissolved to form a homogenous mixture,…

Q: How can we identify a competitive inhibitor?

A: Enzyme inhibitions are the mechanism of inhibiting the catalytic reactions of an enzyme by using…

Q: What are the negative effects of using Disulfiram ?

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

Q: In detail, why 70% Alcohol is better than 100% Alcohol (as an antiseptic) to control the growth of…

A: Microorganisms are small organisms which cannot be seen through naked eyes. These organisms have…

Q: How can we identify an uncompetitive inhibitor?

A: The enzyme is a protein molecule that acts as a biocatalyst. This helps to facilitate many…

Q: Why safranin are used as the sample dye in dye adsorption experiments?

A: Safranin is most popular in medical research for staining acidic proteoglycan that is found in…

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

A: Asked : Functions of sterol in human body

Q: Why can alcohol kill bacteria? Explain via proteins.

A: Alcohol kills bacteria through The process called as denaturation. Denaturation takes place when…

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 driving force behind paper chromatography?

A: Chromatography is a laboratory method of separating the mixture into individual components. It…