Q: enrichment culture to isolate aerobic and anaerobic nitrogen-fixing bacteria, sulfate-reducing…
A: Enrichment culture: This type of culture containing certain growth media ,allows and favours the…
Q: What are examples of a bacterium that produces a biofilm ?
A: A biofilm is a complex structure formed by many different bacterial colonies.
Q: Why does an facaltive anaerobic bacterium usually grow better with oxygen than without?
A: A facultative anaerobe is one which is able to survive in both aerobic (oxygen) as well as anaerobic…
Q: What is the definition of the term bioremediation? Which elements can a bacterium obtain from…
A: Pollution is when harmful contaminants enter the environment. Remediation involves removal of the…
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A: A bacteria is a cell which is susceptible to a variety of environmental stress. Any environmental…
Q: Which of the following bacteria can survive in in temperatures ranging from 390F (40C)---to 990F…
A: Thermophiles Are a type of heat-loving microbe that lives in a variety of ecological niches such as…
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A: A fertilizer is a substance which is applied to soil or plant to increase the soil fertility or…
Q: Why do variations in generation time exist:a. Among different species of microorganisms?b. Within a…
A: Generation time is the time taken by a microbial species to double in number. This ranges from…
Q: What is a selective medium? What is a differential medium?
A:
Q: How can you make bacteria competent?
A: The word 'competence' refers to the ability of a cell to alter its genetics by taking up…
Q: Is it acceptable to give a formal name to a microbe that hasn't been isolated and cultivated? What…
A: There are two main microbiology methods used for isolating bacteria from a clinical sample in order…
Q: What characteristics of microorganisms make them important research tools?
A: Introduction Microorganisms such as bacteria, yeast, viruses etc. are not just pathogenic and…
Q: How does an aerotolerant anaerobe differ from a microaerophile?
A: Microorganisms are classified into different types based on the requirement of oxygen and are…
Q: How to produce high yield of biomass of facultative anaerobic bacterium in laboratories?
A: Facultative anaerobic organism It refers to the organism that generates ATP through the process of…
Q: What happens to microbes that encounter temperatures belowtheir minimum and above their maximum…
A: Micro-organism are tiny organisms that cannot be seen by the naked eye, but are visible under…
Q: Why are extended periods of exponential microbialgrowth in nature rare and often slower than…
A: Microbial growth is the proliferation of the microbe into genetically identical daughter cells, by…
Q: Summarize the terms used to characterize microbes based on their physical growth factors; 1. pH…
A: 1. pH Acidophiles are those microorganisms that are able to survive in extremely acidic conditions…
Q: Why does a population of microbes not die instantaneously when exposed to an antimicrobial agent?
A: Antimicrobial agents are agents that are used to stop or prevent the growth of microbes. They…
Q: Which type of organism (obligate anaerobe, microaerophile, facultative anaerobe, aerotolerant…
A: Introduction :- Obligate anaerobes are organisms that can only survive in oxygen-depleted…
Q: A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)…
A: Obligate aerobes are those bacteria that grow exclusively in the presence of molecular Oxygen and…
Q: Explain the reason that the obtained organism is either a bacterium or eukaryotes.
A: The reason that the obtained organism is either a bacterium or eukaryotes
Q: finding the relationship between the new and already existing microbe?
A: Microorganisms are microscopic structures that can be seen or studied with the help of a microscope.…
Q: Why is Escherichia coli used as an indicator organism inmicrobial analyses of water?
A: The well-known gram-negative bacteria are E. coli (Escherichia coli).
Q: If the generation time is 90 min and the initial population contains 103 cells, how many bacteria…
A: Bacteria are considered a prokaryotic unicellular organism, it primarily reproduces by binary…
Q: What is the role of nitrate in microbial metabloism?
A: Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed…
Q: How does the biofilm growth mode differ from that ofplanktonic cells? Which growth mode better…
A: Biofilm basically refers to the matrix like a thing that helps the cells to stick to one another. It…
Q: Why must water be subjected to microbiological analysis?
A: Water is used for various purposes in daily lifestyle including food. Thus, it should be monitored…
Q: If the original number of cells in a sample was 12,000, how many bacteria will be present in 12…
A: The proliferation of bacterium into two genetically identical daughter cells, through the process of…
Q: Would this bacteria be classified as gram negative or gram positive? Describe the shape and…
A: Gram staining is a simple technique, in which two categories of bacteria are identified based on…
Q: How might the bacterial growth curve change if a facultative anaerobe was first monitored for growth…
A: *Facultative anaerobes are bacteria which can grow in presence or absence of oxygen. * oxygen…
Q: What technology is available for faster bacterial culture?
A: BASIC INFORMATION BACTERIA It is one of the type of biological cell. They belong to prokaryotic…
Q: How does the differences in the physical and chemical structure of Gram-positive and Gram-negative…
A: The bacterial cells are categorized into gram-positive and gram-negative mainly depending on their…
Q: Which microbe is grown for use as protein – rich food?
A: Proteins are polymers made up of polymers of amino acids, which are structural units. They act as…
Q: What is a pure culture and why is obtaining one useful inmicrobial ecology?
A: Microbes are living organisms. They are ubiquitous. They cannot be seen by the naked eyes. In…
Q: What are the different types of Microbial Control
A: Microbial control agents are the biotically-derived chemical compounds or secondary metabolites that…
Q: If the temperature of the incubator were to be increased from 35 to 45°C, how would this affect the…
A: The microbiology studies about both the diseases causing microbes and beneficiary microbes, about…
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: How is it possible for both aerobes and obligate anaerobes tocoexist in the same biofilm?
A: Biofilms are masses of one or more types of microorganisms that irreversibly attach and grow on many…
Q: How is baking put in an application in microbiology and its involved microorganisms
A: Introduction:- Microbes have been used in the bakery industry from a very long time. Yeast have the…
Q: explain Bacterial cultures.
A: Bacterial culture is a microbial test to determine the type of organism, its abundance in the sample…
Q: What are the four basic stages of biofilm formation?
A: The biofilm is a thin mucous layer that is formed by a bacterial colony and a few other…
Q: Based on the bacterial cultivation, what are the possible organisms under its gram reaction?
A: Gram reaction in microbiology is a staining procedure that is used to differentiate bacteria based…
Q: WHAT IS THE CONNECTION OF BACTERIAL CULTIVATION TO MICROBIAL PHYSIOLOGY
A: Microorganisms are simple living organisms that can be observed through a microscope. The common…
Q: What is the role of antimicrobials in disrupting microbial biota and causing superinfections?
A: The intestines are a great source of microbiota for mammals and humans. However, our understanding…
Q: Discuss the THREE (3) main stages crucial to microbial leaching of copper from a low-grade ore,…
A: Bioleaching involes microorganisms .Main copper minerals include sulfides, (CuFeS2) chalcopyrite,…
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- Why is it necessary to maintain aseptic conditions in microbiology?What is the definition of the term bioremediation? Which elements can a bacterium obtain from petroleum? Why are petroleum products naturally resistant to metabolism by most bacteria?How do microbes respond to high pressure? To ionizing radiation? To UV light? What populations are resistant to these conditions?
- Are coliform bacteria dangerous in the water?Why is water tested for coliform bacteria rather than for pathogenic bacteria which may be present?A microbiologist used the concept of enrichment culture to isolate aerobic and anaerobic nitrogen-fixing bacteria, sulfate-reducing bacteria, and sulfur-oxidizing bacteria. What kind of selective media could he haveused for isolating each of these four classes of microbes?
- List the different type of bacteria depending on the salt concentration required for their growth? Why it is difficult for microorganisms to grow at low aw values?what is a non-coliform bacterium?What happens to microbes that encounter temperatures belowtheir minimum and above their maximum growth temperatures?