Q: What types of samples can be measured with Circular Dichroism? Can information be extracted?
A: Circulate dichroism is the difference in the absorption of left handed circularly polarised…
Q: What is sterilization? Give specific examples of media which are sterilized by the following…
A: All microbes, such as bacteria, virus, and fungi, requires some essential nutrients for growth. The…
Q: What are peptones, yeast extract, beef extract, thioglycollate, and agar? Why are they used in…
A: A suitable nutrient medium that provide appropriate biochemical environment and maintains all the…
Q: Aside from observing motility, what are the other uses of the wet mount and the hanging drop…
A: Introduction: A wet mount slide is one that has a liquid in the center that will act as a medium…
Q: Need help Can a pure culture be prepared from a mixed culture in a broth or plate? Explain.
A: INTRODUCTION How to make a pure culture from mixed culture is explained below.
Q: Why is it sufficient to stain cells from a SDA (Sabouraud Dextrose Agar) plate with crystal violet…
A: Introduction : Sabouraud agar, often known as Sabouraud dextrose agar (SDA), is a peptone-containing…
Q: What is a pure culture?
A: Introduction Culture is referred to th process of growing the cell outside the animal or plant body…
Q: Why does penicillin purification use a centrifugal extractor?
A: A Centrifugal extractor is a piece of laboratory equipment that uses rotors to mix two immiscible…
Q: how do microorganisms such as bacteria eliminate harmful reactive oxygen species?
A: Reactive oxygen species (ROS) are emerging as important elements in the bacterial response to lethal…
Q: What is the purpose of adding dishwashing liquid into the banana mixture? What reagent is used in…
A: DNA extraction is the method of isolation of genetic material ( DNA ) from plants , animals or any…
Q: What is the difference between defined media and complex media?
A: media is a solution in which is rich in nutrients. it is very suitable for the growth of microbes…
Q: How to calculate for FAME yield given the dried FAME extracted of 0.021 g and the volume of culture…
A: Fatty acid methyl esters or FAME are a type of fatty acid esters. This is formed by the…
Q: What are the advantages of UV disinfection versus, or as acomplement to, chemical disinfection with…
A: UV disinfection treatment is a very rapid physical process for disinfecting or sterilizing any…
Q: How would you distinguish between Staphylococcus aureus and S. epidermidis on mannitol salt agar and…
A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…
Q: In the differential absorption heterophile test, what findings are diagnostic of IM?
A: Infectious mononucleosis is a very common disease in adults with symptoms such as malaise,…
Q: What medium is this? What is the result in tube at left? In second tube? What does it tell you about…
A: One stab towards the bottom of the SIM tube is used to inoculate it. If the microorganism is motile,…
Q: Why does turbidity in a cultured media losses its reliability at high cell concentrations?
A: turbidity is used as a measure of cell density within a culture sample.
Q: What are two types of compounds that make up the resin for column chromatography?
A: Column chromatography is a technique used for the separation or purification of biomolecules such as…
Q: Why does turbidity lose reliability at high cell concentrations when the culture reaches the…
A: The turbidity measurement method for counting the cells in the tissue culture is the estimation and…
Q: What is the effect of trypsin EDTA solution on monolayer cell culture preparation?
A: Trypsin is an enzyme which helps in digestion of proteins.In the small intestine,proteins are broken…
Q: Why do you think autoclave sterilization of media is preferred over open flame?
A: An autoclave is used to sterilize surgical equipment, laboratory instruments, media and other…
Q: What is differential medium
A: Differential medium or indicative media contain compounds which support the growth of microbes and…
Q: How else could you test for purity of the phycocyanin sample? Briefly outline the steps to be taken
A: C-phycocyanin is a promising naturally/pharmaceutical agent with more well-documented…
Q: Voges Proskauer test Does color of the medium change to red after both reagents were added and…
A: Biochemical method of bacterial identification is a classical method that is used for the…
Q: what is sterilization or define sterilization?
A: Sterilization is defined as the process where all the living microorganisms, including bacterial…
Q: What are the possible ways to sterilize heat labile products? Explain your answer with suitable…
A: Heat labile materials are those substances that can undergo change rapid change when exposed to high…
Q: What is Pindolol drug solubility in water, acidic medium, basic medium?
A: Pindolol is a non selective beta blocker, mainly used in the treatment of hypertension, angina. It…
Q: If you have a 15 mg/100 ml stock solution of GA3 and you need a 1 mg GA3 in 25 ml, how much stock…
A: Given: volume of stock solution is 15 mg/100 ml Needed amount is 1 mg kinetin in 25 ml Volume of…
Q: What is the purpose of PSP (Phenolsulfonpthalein) Test?
A: Please follow step 2 for detailed explanations.
Q: mportance of pH adjustment in culture media?
A: Culture media is also known as growth media. It is a mixture of nutrients that helps for the growth…
Q: What are the advantages of live preparations?
A: Vaccines impart adaptive immunity against certain pathogens.
Q: Outline in detail the procedure for celloidin embedding .
A: Embedding is that the method during which the tissues or the specimens are capsulate in a very mass…
Q: What are the advantages of solid media ?
A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…
Q: How is household antibacterial soap like a weapon against pathogenic bacteria?
A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .
Q: What are the culture media that can be used for cultivating non-specific and specific…
A: A microbiological culture medium is a substance that promotes the growth, support, and survival of…
Q: what is the procedure of solving the probelems of cultures those are suffering severely due to…
A: This is the defense compound of the plant and are toxic in nature because of that preventing plant…
Q: Do pure cultures have to be used in a chemostat?
A: Chemostat is a culture chamber where microorganisms are cultured under static environment. The…
Q: operties of the Snyder deep media allow us to detect susceptibility to dental caries?
A: Dental caries (tooth decay) is injury to enamel of tooth that be converted into little holes or…
Q: Explain the rational of using saponification-solvent extraction to extract pyrene from milk
A: Asked : Rational of using saponification-solvent extraction to extract pyrene from milk
Q: How does smear preparation of cells from a liquid medium differ from preparation of cells from a…
A: Answer: Smear Preparation is the method in microbiology laboratories to place the small amount of…
Q: Why is egg enrichment not added to BPA prior to sterilization?
A: Baird–parker agar or BPA is a selective medium is identify or isolate S. aureus in food. It contains…
Q: What products are sterilized using high energy ionizing radiation?
A: Sterilization is the process of killing microorganisms.
Q: What is diluent? Why is it useful for working with bacterial samples?
A: Dilution is done to decrease the concentration of the original sample that is being tested. Dilution…
Q: What is saponification? How can we make soap? What is the reaction involve in making soaps? Whats…
A: Soaps and detergents are commonly used in cleaning clothes, utensils and other dirty surfaces.…
Q: What is the major difference between Thayer-Martin and chocolate agar? When would you use…
A:
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…
What is the difference between Dry and Wet Celloidin Method?
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- What is a pure culture and how can one be obtained?How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the original, concentrated material? Assume that you need to have at least 500 µl of each dilution, and you should be able to perform the dilutions in microfuge tubes with a maximum capacity of 1.5 ml.What is the effect of trypsin EDTA solution on monolayer cell culture preparation?