Why is it not safe to assume that two microorganisms with the same G + C content belong to the same species? In what ways are G + C content data taxonomically valuable?

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: Of the two principal polymers used in column chromatography and electrophoresis, which one would be…

A: The column chromatography procedure is used to separate a single chemical compound from a mixture.…

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: Why are ether-linked lipids in Thermodesulfobacterium unusual?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

Q: Why do cells need to be kept in the freezing devices first then transferred to liquid nitrogen…

A: Rapid freezing of cells can cause ice crystals large crystals can be formed in which cells are…

Q: Would an obligate anaerobe or an obligate aerobe be more likely to produce catalase? Why?

A: Introduction :  obligate anaerobes are those bacterium that can live only in the environment…

Q: Which of the following bacteria is an acid fast ? a) E.coli b)Pseudomonas aeruginosa c) Bacillus…

A: Introduction The property of an organism to resist the decolorization by acids during the staining…

Q: The lipopolysaccharide of Gram-negative bacteria is composed of the following EXCEPT:

A: Bacteria are characterized by the presence of a cell wall but not all bacteria have cell walls.…

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: Do obligate anaerobes require a functional oxidase, why or why not?

A: Oxidase is type of an enzyme that is responsible for catalyzing redox reactions, especially the one…

Q: Why do some bacteria grow in the presence of salts?

A: Carl woese in 1990, devide living world in three groups or domains Archaea, Bacteria and Eukarya.…

Q: Why is immobilization a good strategy for dealing with uraniumpollution?

A: Uranium (U) is a radioactive chemical element of the actinoid series of the periodic number with an…

Q: Why would sulfur-oxidizing bacteria store sulfur? +

A: BASIC INFORMATION BACTERIA  It is one of the type of biological cell. They belong to prokaryotic…

Q: hypothetical

A: Isolation and characterization of plant and human pathogenic bacteria from green pepper (Capsicum…

Q: If two cultures of a facultative anaerobe were grown under identical conditions except that one was…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: Why are many vitamin supplements sold as antioxidants? How does this relate to material in this…

A: Antioxidants are substances that can prevent or slow damage to cells caused by free radicals,…

Q: Besides dehydrated foods, how might the amount of water available to microbes be decreased? Group of…

A: Dehydration is a method that has been used for centuries to preserve foods such as raisins, etc. It…

Q: How do effects of pH, salt composition, and solute valence on partitioning of bioproducts compare in…

A: The product made from the biomass is known as bioproducts. The improvement of upstream technologies…

Q: An obligate halophile is an organism that requires high osmotic pressure.True or false?

A: Osmotic pressure refers to the minimum pressure that is required to stop the occurrence of osmosis…

Q: What advantages do solid media offer for the isolation of microorganisms?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: For a bacterium that prefers a neutral pH and has an optimal (best) growth pH of 7, how would growth…

A: The optimum pH for the growth of microbes is the favorable pH for that organism. The lowest pH value…

Q: The protease used in this procedure functions best at 50°C. Would you expect this enzyme to be…

A: Microorganisms are classified as, psychrophiles, psychrotrophs, mesophiles, thermophiles, and…

Q: Which of these bacterial characteristics could be evaluated with one of the rapid identification…

A: Arabinose Fermentation Test is used to determine the if the microbes can ferment the carbohydrate…

Q: Why would it be beneficial for bacteria to form endospores

A: Endospores are the non-reproductive structures that are produced by the bacteria. They are dormant…

Q: During the fall 2001 bioterrorist attack in which anthrax endospores were sent through the mail, one…

A: Introduction: Spores are the extremely resistant resting-state that are made at the time of…

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: What is the source of the purple color from which the purplesulfur bacteria get their name?

A: Bacteria are prokaryotic organisms. They are devoid of the cellular organelles like the golgi bodies…

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: An auxotroph bacterium A could grow only on a medium containing leucine, and an auxotroph bacterium…

A: Auxotrophs are the mutant strain which are not able to grow on minimal media. Such mutant strains…

Q: What tissues or organs do these bacteria target in the human body? Why is it to their advantage to…

A: It is required to find gram-positive and two-gram negative pathogenic bacteria that are facultative…

Q: The GC content of micrococcus is 66-75 moles% and of staphylococcus 30-40 moles%. According to this…

A: GC (Guanine-cytosine) content is used as a tool to study phylogenetic relations among bacterial…

Q: If the D value of a microorganism is known, what else can we find? Explain by showing the…

A: D-value is the time required at a particular temperature to reach a log reduction that helps to…

Q: determination of microbial motility, why do you think the microorganisms are ubiquitous?

A: Solution : The motility test is used to determine whether an organism is motile or non-motile.…

Q: What is the ecological and practical importance of methanogens?

A: Methanogens refer to the microorganisms that release methane in oxygen-deficient conditions as a…

Q: Earlier biochemists called substrate cycles “futile cycles.” Why might they have chosen such a name?…

A: Energy production is one of the main functions of cells. Cells use substrates, such as glucose to…

Q: Which of the following statements is true of chemoautotrophs?

A: Chemoautotrophs are able to synthesize their own organic molecules from the fixation of carbon…

Q: A certain medium has the following composition: Glucose                15 g Yeast extract      5 g…

A: Since you have asked as question with multiple subparts, we will answer only first three subparts…

Q: Why do most iron-oxidizing bacteria grow at anacidic pH?

A: Iron-oxidizing bacteria are those chemotropic bacteria that obtain the energy for their living and…

Q: How can you account different diffusion rates of three dyes through the agarose media in the Petri…

A: Agar is used as a support medium for bacterial growth and culture in labs.This is extracted from sea…

Q: in microbiology, are there technologies that can help make bacterial culture and sensitivity done…

A: As we know Microorganisms are present everywhere and affecting Humans in positive and negative way.…

Q: What is the difference between assimilatory nitrate reduction and denitrification? Which reaction is…

A: Nitrogen gas is present in the inert form in the atmosphere.

Q: The nucleotide composition of an organism's DNA can vary depending on its environment. How would you…

A: The DNA is made up of four nitrogenous bases. Different genes have different sequences and that is…

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: Why do we use turbidity as a method to measure bacterial growth? How does it work? How do you…

A: Turbidity measurement is one of the methods to measure the microbial cultures, helps determine the…

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,…

Genetic analysis

Genetic analysis refers to the process of studying and analyzing changes in chromosomes or genes using different methods in scientific fields such as genetics and molecular biology. It involves the localization and identification of genes and the detection of inherited or genetic disorders caused by mutations or other abnormal variations in our genome.