Q: What is the process by which bacteria convert nitrogen gas in the air to ammonia ?
A: Almost 80% of the atmosphere is made of nitrogen. It is an important constituent to make up bio…
Q: How might you isolate a morphologically unique bacteriumpresent in an enrichment culture in…
A: A culture or growth medium is a solid, liquid, or semi-solid designed to support the growth of a…
Q: What is an example of an experimental approach for determining whether a beef burger contains a food…
A: Beef burgers served rare or undercooked may contain harmful bacteria that could cause food…
Q: Why is it not safe to assume that two microorganisms with the same G + C content belong to the same…
A: The GC content helps in establishing the relatedness between species when there is a similarity in…
Q: Why is CARD-FISH more suitable than FISH forcharacterizing very slowly growing microorganismsin the…
A: Introduction: Fluorescence in situ hybridization is one of the most important techniques used to…
Q: What are the major problems when manufacturing proteins inbacteria?
A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…
Q: How would you modify the isolation of endospore-forming organisms from the soil procedure you…
A: They are major contminants of food industry. Various species such as Clostridium botulinum ,…
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…
Q: What is the methods used for identifying unknown bacteria?
A: Ability of identifying various microorganisms have many important application.For example,in the…
Q: What is the purpose of the baking soda solution in the leaf disks experiment?
A: Leaf disks experiment is an experimental set up which is aimed at studying the effects of various…
Q: How could you isolate mitochondria from liver cells using differential centrifugation?
A: Isolated mitochondria are used to perform several functions. This organelle is used to study…
Q: Why is it necessary to maintain aseptic conditions in microbiology?
A: Aseptic conditions means microbs free environment. Microbs means bacteria, virus and fungi. It may…
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: How might an enrichment culture be used to isolate bacteria capable of growing photoautotrophically…
A: Answer: Introduction: Enrichment cultures can be able to rise a less quantity of required organisms…
Q: What is a good strategy for isolating spore-formingbacteria from an environmental sample?
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…
Q: If the seven-digit code that is tabulated cannot be found in the Profile Determination Table, what…
A: The bacterial identification is important to ensure that the unknown bacterial strain is correctly…
Q: What steps are necessary to ensure the sterility of materialcontaminated with bacterial endospores?
A: During endospore formation, the bacteria protoplasm is condensed to a limited volume, which leads to…
Q: hy do we use broth for enrichment, but plates for isolation and identification?
A: What do you think of when you hear the word broth? Maybe it is a delicious liquid made from chicken,…
Q: How was Escherichia coli modified to produce indigo?
A: Indigo is a dye used mainly for coloring textiles and is derived from plant materials. With the…
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: What is the colony morphology of these two cyanobacterial species having?
A: Algae are morphologically diverse organisms with the simplest form being the unicellular organisms…
Q: Which molecules does E. coli not have to synthesize when grown in LB, compared to minimal media?…
A:
Q: What is meant by “high-throughput” in culturingmicroorganisms? How has it benefited microbiology?
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism can be harmful to…
Q: Can the presence and absence of capsules in bacteria be used to identify unknown bacteria? YES OR…
A: Glycocalyx is present external to the cell wall as an outermost covering of bacteria. It protects…
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: What is the difference between a photoautotroph and a chemoheterotroph?
A: On the basis of modes of nutrition, a living organism can be divided into two types - Autotrophs and…
Q: how does the use of the streak plate technique enables us to isolate and purify bacteria
A: The streak plate technique is the popular method or technique to isolate and purify the bacteria.
Q: Is it likely that a pure culture could be isolated from the human body? Why or why not?
A: In microbiology the pure culture is a laboratory culture that contains a single species of organism.…
Q: What are bacteria? what is bacterial culture? how to grow bacteria and why? why are there so many…
A: As per the honour code, we are entitled to do only three subparts of a multipart question. So, i am…
Q: how is it possible to isolate both aerobes and anaerobes using streak plates?
A: The streak plate method is implemented for the isolation of anaerobic or aerobic bacteria from a…
Q: What is meant by the term “enrichment culture”?
A: The culture medium or growth medium is the specific medium, which contains all essential nutrients,…
Q: How was Escherichia coli modified to produce a photograph?
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
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: Can simply observing the colonies formed on agar plates and the results of a few biochemical tests…
A: Bacteria are of many types. They can be classified based on different properties such as cell wall…
Q: If you obtain 35 colonies after spread plating 1 ml of a 1:500 dilution of lake water, what is the…
A: A dilution can be defined as a method of addition of more solvent to a solution of a definite…
Q: What is the purpose of xylene (xylol) in the isolation and identification?
A: Answer: Introduction: Xylene/ xylenes is also called as xylol, It exists in three forms ortho-(o-) ,…
Q: What features of the endospore contribute to its resistance to harsh conditions?
A: Endospore is the non-reproductive and dormant structure produced by bacteria. The formation of these…
Q: How could you identify whether a particular bacterial sample contained specimens with mycolic…
A: Mycolic acid is long-chain fatty acids present in the cell walls of bacteria belonging to the group…
Q: What is the Fluorochrome staining technique for Mycobacterium
A: Mycobacterium - they are a type of germ. There are different kind of mycobacterium. Still others…
Q: How can you confirm yeast growing on Sabouraud dextrose agar to be Candida albicans?
A: Introduction : Candida albicans is the most well-known fungus that attacks the human mucosal layer.…
Q: What are the advantages and limitations of studying bacteria by means of the Culture method?
A: Introduction Culture:- It is a method of growing microorganisms, tissue cells, or other living…
Q: What is G+C content of a bacteria? How it can be determined? Why it is not safe to assume that…
A: GC-content is the percentage of nitrogenous bases in DNA or RNA molecule that are either guanine or…
Q: What *NEW* data or information were generated by the experiment on the micropropagation of jack
A: Micropropagation : It refers to the in vitro multiplication and / or regeneration of plant material…
Q: What would happen if the enrichment method in the isolation of bacteriophage was omitted?the…
A: The bacteriophages are bacteria that are infected by a virus are known to exist in all possible…
Q: why is it significant that different types of bacteria have a veriety of distinct photo-pigments?
A: Electromagnetic radiation, or light, is a kind of energy that travels in waves. Radio waves,…
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: Why is bacterial culture useful to grow bacteria?
A:
How could NanoSIMS be used to identify a nitrogen-fixing
bacterium?
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- If you had a liquid culture containing three different species ofbacteria, how could the use of a Petri dish confirm this fact?How the use of a Petri dish could generate pure cultures of eachbody?What is diluent? Why is it useful for working with bacterial samples?What is an aliquot? Give two uses of serial dilution.
- In zone electrophoresis, why is it possible to isolate the components of a sample and recover them for identification? a) what influences the direction of migration of the components of a sample in zone electrophoresis?Describe unique characteristics of agarose used in electrophoresis.Can simple technique be used to identify more than the morphological characteristics of microorganisms? Explain.