Q: Explain when "formulated media" was chosen to be used as a medium in the fermentation process?…
A: A growth medium, also known as a culture media, is a solid, liquid, or semi-solid that is used to…
Q: Illustrate the step by step method of preparing culture media.
A: Introduction Culture medium:- It is a liquid or gel designed for specific mixtures of nutrients and…
Q: Define agar.
A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…
Q: What is the difference between Dry and Wet Celloidin Method?
A: Celloidin method is a histopathological technique of tissue impregnation and embedding that helps to…
Q: Explain the purpose of thiosulfate in the medium.
A: Culture media is used to enrich the number of bacterial growth, to select certain bacteria and…
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: COMPARE AND CONTRAST. Direction: Cite two advantages of using the following methods of preparing…
A: Syrup: This is a nearly saturated aqueous solution of sugar, for example, sucrose in water, with or…
Q: Some exconjugants did not grow on minimal medium. On what medium would they grow?
A: Exconjugants can be described as bacterial cells, which separates following the conjugation. A…
Q: Why is resazurin a useful media additive for the study of anaerobes?
A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…
Q: What is the purpose of the mashing step in beer-making?
A: Beer is an alcoholic beverage. The production of beer involves the following steps : malting,…
Q: Discuss the use of phenols as germicides
A: Phenols are used as disinfectants and germicides to clean surfaces in the hospital and rooms.
Q: Explain why litmus milk is considered a good differential medium.
A: Differential media are the growth medium that helps in differentiating bacterial samples on the…
Q: We will use liquid oxidase reagent for the oxidase test. What color will the colonies turn if they…
A: Oxidase test is used to determine the presence of cytochrome c by a bacterium. This test belongs to…
Q: Define a pure culture.
A: A microbiological culture, or microbial culture, is a strategy for duplicating microbial life forms…
Q: Make vinegar using starch as raw material. Outline the process steps in a schematic diagram stating…
A: The term vinegar actually refers to the two-step process of fermentation from carbohydrate to…
Q: Name the source from where agar-agar is obtained.
A: Agar-agar is a gelatinous substance that is formed by a combination of linear polysaccharide agarose…
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: Why have several specialized media been developed? Give an example ofone such medium.
A: Culture media is of basic importance for many microbiological tests: to get pure cultures, to grow…
Q: State four reasons why barley is terminated in beer brewing process.
A: Beer brewing: The process of production of beer by steeping a starch source in water,…
Q: If yellow xanthophylls were present in the extract, why did the extract appear green?
A: Introduction: Xanthophylls are a class of oxygen-containing carotenoid pigments that is liable for…
Q: explain three starting compounds for industrial vanillin production. explain two genetic…
A: Vanillin, an important secondary metabolite makes up the main part of the natural vanilla. It is an…
Q: Explain the medium used is either synthetic or complex medium for fermentation production.
A: Culture mediums in microbiology or even animal or plant biotechnology are used to support the growth…
Q: Explain the medium used is either synthetic or complex medium for fermentation production. Identify…
A: Fermentation is a metabolic process where the carbohydrate is broken down anaerobically to produce…
Q: O
A: vinegar is a solution of acetic acid produced by 2 steps .in a first step fermentable sugars are…
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: 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: How would the pH of the culture medium be influenced by sugar fermentation? By urea hydrolysis?
A: Microorganisms grow well at their optimal pH. The concentration of hydrogen ion affects the growth…
Q: In relation to steps in product development in industrial microbiology explain why optimization of…
A: Fermentation is a metabolic interaction that produces synthetic changes in natural substrates…
Q: Why is agar ideal for microbial cultivation?
A: The microbial cultivation is the process in which microorganisms are cultivated in the laboratory,…
Q: The most probably number (MPN) method for measuring Nitrifiers in soil Microbiology ?
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
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 the purpose of extracting coffee three times with dichloromethane? Why not five or six…
A: Beverages are the drinks usually used as refreshing drinks like coffee, tea, wine, beer etc.…
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 process would explain why the dyes spread through the agar?
A: Agar -- Agar is polymer and mixture of polysaccharides obtained from the cell wall of red algae .…
Q: What is the role of glucose, which is added to a minimal medium? Use the appropriate vocabulary
A: The growth media, which is generally used to grow wild-type microorganisms by providing minimum…
Q: What compounds or chemicals might be added to a medium to make it selective?
A: Culture medium or growth medium is a liquid, solid, or semisolid designed to support the growth of…
Q: Name the source from where agar is commercially obtained.
A: Agar is a jelly-like substance that is made up of linear polysaccharide agarose and a heterogenous…
Q: Explain the two principal functions of dyes in media.
A: The media provide nutritional requirements to allow the growth of microbial or animal cells. It can…
Q: Explain what happens to a raw potato when hydrogen peroxide is put in it
A: Enzymes are proteins that increase the rate of reaction by lowering the activation energy. Enzymes…
Q: Explain why it is important to wash the wells with PBS between the additions of each reagent?
A: ELISA is a enzyme linked immunosorbent eassay. It is a process to get the measurements of antigens…
Q: Would you expect a methyl red organism to be phenol red positive for acid production?
A: The methyl red test is used to detect whether the microorganism produces acid by fermentation when…
Q: Sugar Utilization medium (Containing trehalose, sucrose, trehalose, Mannose,etcUrease
A: The medium asked in the question is a fermentation medium used in carbohydrate fermentation test…
Q: How is it possible to know that a recently extracted essential oil is harmful for human use?…
A: Oils are basically nonpolar chemical substance that is composed of hydrophobic or lipophlic ends.…
Q: Write the limitations of sterilization by Dry heat?
A: The dry heat sterilization technique includes the removal or killing the microorganism and require…
Q: Which sugar is best for yeast fermentation?
A: Yeast is a unicellular fungus, which has a huge commercial and research potential. This is one of…
Q: What is Bt cotton??
A: A GMO or genetically engineered organism is the outcome of recombinant DNA technology or RDT that…
Q: What is the preparation condition for culturing a mould sample?
A: Introduction: Mould is a fungal specimen which is grown in filamentous structure called hyphae. They…
Explain the purpose of the phenol red in the medium.
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- explain three starting compounds for industrial vanillin production. explain two genetic modifications that has been done to improve vanillin production.Name the source from where agar-agar is obtained.Explain how to prepare 250 ml liquid and 500 ml solid form separately from LB (Luria Bertani) medium whose components and concentrations are given below. Yeast extract 5 g/L Peptone 10 g/L NaCl 10 g/L Agar 1.5 g/L