Q: What are the materials used to grow microorganism like Spirulina?
A: Introduction In this question we will discuss about the materials used to grow microorganisms like…
Q: Define agar.
A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…
Q: Agar is a solidifying agent used in media preparation. What makes it ideal for cultivation of…
A: Agar is a natural polysaccharide. It is mostly used in the lab and acts as a solidified agent. It…
Q: Why would farmers be concerned about nitrifying bacteria?
A: Nitrifying bacteria are a small group of aerobic bacteria belonging to the family Nitrobacteraceae…
Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?
A: Answer - Option A - Gram positive bacteria
Q: Why do you have to boil the agar solution before dispensing it into tubes?
A: Agar is the medium which can used to grow the micro organisms in petri plates. The selected…
Q: How can one distinguish E. coli from P.aeruginosa on nutrient agar? blood agar? EMB agar? What is…
A: Psuedomonas aeroginosa iscan aerobic organism that is motile, gram negative , rod shaped bacteria…
Q: What is agar and why is it necessary for growing bacteria on plates?
A: Agar is a mixture of two polysaccharides- agarose and agaropectin. It is derived from red-purple…
Q: What is the purpose of the crystal violet, bile salts, and neural red in MacConkey Agar media?
A: MacConkey Agar or MAC is a culture medium. It is a selective and differential medium designed for…
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 the importance of agar plates and bacteria cultures in food microbiology?
A: There are different culturing techniques such as agar plates, broth culture, stab culture and solid…
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: What is agar?
A: Agar also known as agar-agar is a dried jelly like substance which has been obtained from Gracilaria…
Q: What is the physical appearance (solid, liquid, semi-solid) of following media: agar plate
A: The Agar plate is made from mixing agarose and a growth medium onto a petri dish. Agarose is in a…
Q: How does bacteria grow on agar plates?
A: Bacteria are the most primitive organisms on Earth. They can survive in most extreme environments as…
Q: why it is useful to plot the microbial growth from a growing microbial culture?
A: The term microbial growth refers to the growth of a population of microbe, it is an increase in the…
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: Where should a label be written on an agar plate?
A: The aseptic technique is applied in a laboratory setup to reduce the risk of contamination. It…
Q: What is bacterial agar?
A: MICROBIAL GROWTH MEDIA- It is the culture media that serves as a nutrient media for the growth of a…
Q: What bacteria grow on both a MacConkey agar plate and Mannitol Salt agar?
A: Selective media The media is a kind of growth media which only allow the growth of a perticular…
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: What type of agar would you use to grow gram positive bacteria
A: Bacteria are different from the plant as well as animals. They require specific substances in the…
Q: What is the purpose of food irradiation, and how does it work?
A: Irradiating food kills bacteria and extends life of the food.
Q: why macconkey agar and mannitol salt are regard as salective and deffrental medium?
A: A culture medium is just water and nutrients that support microbic growth. Primary culture media for…
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: How you can differentiate between Escherichia coli and Shigella on MacConkey agar?
A: The term “Culture media” defines the solid, liquid, or semi-solid design to assist the…
Q: why do We need to Wait for the iron Agar to set and then Add another thin layer of 45°C Iron Agar?
A: The test that uses iron agar is the Triple Sugar Iron (TSI) Test and is used to determine the…
Q: What would you expect to see if you cultured Gram-positive, lactose-fermenting bacteria on MacConkey…
A: Given: What would happen if you culture gram positive, lactose fermenting bacteria in MacConkey…
Q: Why is agar ideal for microbial cultivation?
A: The microbial cultivation is the process in which microorganisms are cultivated in the laboratory,…
Q: Phenylethyl alcohol and why would it be useful in agar
A: Acoording to this question we have to decribe phenyl alcohol and the phenylethyl alcohol be useful…
Q: How do microorganisms in a chemostat differ frommicroorganisms in a batch culture?
A: Microbial culture refers to breeding or growing of microorganisms in laboratory-controlled…
Q: what are these bacteria growing on BA and Maconkey agar
A: Blood agar or BA is an enriched culture medium having multiple nutrients. Blood agar is generally…
Q: Taking microbial cells out of a stationary phase culture and putting them into a fresh, sterile…
A: Growth in higher organisms refers to a rise in size and volume, whereas growth in bacteria refers to…
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: How should agar plates be incubated? Why?
A: Incubating the plates to stimulate the growth of microbes is a crucial step in any microbiology…
Q: Why does saliva not serve as a good microbialgrowth medium?
A: Saliva is the watery, frothy substance that is produced in the mouths of some animals, including…
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: What types of bacteria grow on nutrient agar?
A: Nutrient agar is a nutrient-rich medium that allows the growth of a wide range of organisms in the…
Q: What type of agar would you use to grow gram negative bacteria
A: Gram-negative bacteria are the bacteria that do not consist of the crystal violet stain and they are…
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: What is agar and what makes it the best agent for making culture media? explain
A: Microbiology is the branch of science which deals the study of different microorganisms such as…
Q: What is agar define as in microbiology ?
A: Microbiology is defined as the study of microbes. It involves the study of structure, function and…
Q: What is the purpose of the different types of media (solid, semi-solid, broth)?
A: Culture medium is the medium consist of mixture of nutrients and substances which are required for…
Q: What is "BHI" agar and what is it used for? What is "Sabouraud Dextrose" agar and what is it used…
A: There are various types of growth media are used for cultivating cells ranging from prokaryotic to…
Q: Why are vegetables and fruits coated with wax during shipping and upon storage?
A: Lipids are not polymers like other biomolecules like proteins and carbohydrates. It plays a major…
Q: Why is it easier for microorganisms to grown on plastic surface rather than wood?
A: Answer- Wood does have natural antibacterial properties. The organism of bacterium like- Ideonell…
Q: Which ingredient is included in the motility test to make the results easier to see? bromthymol blue…
A: A motility test is a test that is performed to check whether the organism is motile in its nature or…
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- Name the source from where agar-agar is obtained.The principle and What type pf Media of the following Conkey Agar vii) MacConkey Broth viii) TSA Base for Blood and chocolate Agar ix) Mannitol Salt Agar x) Tryptic Soy Agar xi) Alkaline peptone water What is the principle of Growth Medium and Culture medium?What is the purpose of the mashing step in beer-making?
- Why is it necessary to store the molten agar in a water bath at 50 degrees Celsius?Could you explain the difference ( and possibly show the difference) between a growth on Agar slants and Growth in broths? Next, could you describe what E. Coli, M. Luteus, and an uninoculated growth should look like on both agar slants and broths? Much thanks! I am a bit confusedWhat is agar and why is it necessary for growing bacteria on plates?