Q: What is the function of a selective media? What are 3 examples and for what they are selective?
A: Media is a type pf culture which are used for stimulating the action of a microorganism or to…
Q: The light photomicrograph (see image below) shows a single type of bacterial cell treated with…
A: Magnification = length of image ÷ actual length of organism
Q: Bacterial cell have inclusion bodies? What is the function
A: Inclusion bodies are present both in eukaryotes and prokaryotes and are cytoplasmic or nuclear…
Q: What kind of medium might you make to selectively grow a bacterium that lives in your gut?
A: MacConkey agar is used as a selective and differential media for differentiating gut bacteria which…
Q: Find out what the various components of the medium used for propagation of an explant in vitro are?
A: Plant tissue culture is a technique through which plant cells, tissues or plant parts are grown on…
Q: 1) In Gram staining, to what cell structure do the dyes bind? 2) Would it be useful to perform a…
A:
Q: Why are disease-causing flagella bacteria considered "dangerous" What are 5 examples of desease…
A: FLAGELLA:- The bacterial flagella have three main parts:- 1) A basal body 2) A hook 3) A main…
Q: why is it that psychrotrophs placed in TSA medium are incubated at 7oC?
A: Psychrophiles are organisms that can survive and reproduce in low temperatures as low as -20 degrees…
Q: what is the purpose of steaming the slide while applying malachite green in the endospore stain?…
A: Endospore staining: The spores were differentially stained by using special…
Q: How does colony morphology help you monitor the purity of your culture? What are disinfectants and…
A: Microbiology is the study of those living organisms which cannot be seen through naked eyes…
Q: How does the plant cell wall react when it is placed under hypotonic medium?
A: The plants are the multicellular eukaryotic organism of the kingdom Plantae. It is the autotrophic…
Q: What salt did Meselson and Stahl use for their ultracentrifuge gradients? O NaCI O NH4CI O CSCI O…
A: Given: DNA replicates semiconservatively. Matthew messelson and Franklin stahl performed an…
Q: How to distinguish bacteria if a bacterial colony formation happens and a certain bacteria appearing…
A: Bacteria flourish on culture media in the form of colonies. A colony is specified as a visible mass…
Q: Give the functions of the following bacterial structures. Granules Pili Flagella Endospores Capsule
A: Bacteria is a prokaryotic cell which has many organelles to facilitate different functions.
Q: What is secondary cell culture?
A: Secondary culture is a subculture of the primary culture. All the cells grown in the Petri dish…
Q: Solve the following parts. a. What phase of the bacterial growth curve does a chemostat…
A: Bacteria is a microorganism, found everywhere in the world. Bacteria can be good or bad, even…
Q: How could you determine whether the turbidity in your LB tube was from a mixture of different…
A: Introduction: The term "turbidity" describes how cloudy a solution is. Turbidity in a Luria Broth…
Q: How are cells formed in de novo from aboitic materials?
A: A cell is a structural and functional unit of life. The structure and function of a cell have been…
Q: What are types of cell culture media?
A: A cell culture medium is solid or liquid in nature. It is a mixture of all necessary nutrients…
Q: Why might it be difi cult to develop a manufacturing cell?
A: Cell manufacturing is the process that requires a large-scale expansion of cells without…
Q: Provide at least four terms to describe bacterial arrangements (groups within they may be found).
A: All bacteria are found in standard forms such as they are present as spherical or rod shaped and…
Q: (refer to the photo below) Which of the 2 types of bacteria will soon die? Why?
A: P.caudatum will die soon. P. aurelia outcompetes P. caudatum for food, leading to the latter's…
Q: How is true microbial motility distinguished from other kinds of motion like Brownian movement that…
A: Q. How is true microbial motility distinguished from other kinds of motion like Brownian movement…
Q: Which microscope is most useful for visualizing a biofilm? O fluorescence microscope O…
A: Fluorescence microscope : it is a type of microscope in which the subject or specimen is analysed by…
Q: Describe each phase of the BACTERIAL GROWTH CURVE (explain what happens, give the cells…
A: Bacteria grow rapidly under a favorable environment where all the necessary conditions for its…
Q: Solve for the generation time of the microbe Dextrococcus cemperverens given that the initial number…
A: In this question, we are given: N0 (initial number of microbe present)= 107 N (number of microbes…
Q: Why are endospores particularly promlematic in the food industry? State two protocols the food…
A: To determine: Why endospores is problematic in food industry. Protocols to reduce endospore forming…
Q: Describe the function of bacterial endospores and discuss the steps of sporulation
A: When a differentiated cell is formed within the cells of certain gram-positive bacteria which show…
Q: How would the slide appear if the bacteria were stained with safranin, a basic red dye?
A: The appearance of bacteria, when stained with safranin, is to be determined.
Q: why the Gram stain can differentiate between Gram positive and Gramnegative cells?
A: *Gram staining is a technique used to differentiate two groups of bacteria into gram positive and…
Q: What culture medium can be used for the acclimatization of Bacillus and Pseudimonas to degrade…
A: Answer: CULTURE MEDIA = These are the selective and differential media which are used to grow…
Q: Examine the image below. The bacteria in this image have been treated with gram straining procedure.…
A: Gram staining a differential staining procedure which stains the gram positive cells with primary…
Q: It is important to remove any big air bubbles from the microtubes prior to incubation. Otherwise,…
A: For microbiological examination, a culture medium of appropriate composition is kept in microtubes.…
Q: Can members of the genus Cytophaga be cultured on standard solidified media? Why or why not?
A: The microorganisms can be grown in-vitro by subjecting them to suitable growth conditions. The…
Q: How does the bacterial cell structure contribute to the mechanism of Gram staining?
A: Bacteria are prokaryote organisms, that lack well-defined cell organeles and nuclei. Bacterial cell…
Q: Contrast the overall cell wall compositions of Gram positive and Gram negative bacteria, and go…
A: The bacteria are classified according to their cell wall composition into Gram positive and Gram…
Q: Q Is an endospore still the same bacterial cell?
A: The production of the dormant, tough, and non-reproductive structure is one of the characteristic…
Q: Explain Quorum sensing controls Vibrio fischeri bioluminescence.
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
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: What factors determine the eventual size of bacterial colony?
A: Bacteria grow on solid media as colonies. A colony may be defined as a visible mass of…
Q: Why are agar plates incubated upside down?
A: The Petri dish has existed for over a decade, whereas simple, cell-growing equipment remains…
Q: Explain what it means if a bacterium is a spore former versus a non spore former. Included a diagram…
A: Spore former means bacteria can be able to form spores. Non spore former means bacteria that don't…
Q: Briefly describe how can Gram staining differentiate one group of bacteria from another.
A: Answer : Gram staining ia an ordinary technique used to classify the two most important companies…
Q: Draw cell morpholgy of red and blue bacteria. And which red or blue is vegative and which is…
A: Bacteria --The bacteria are classified as prokaryotes ,single celled structure and simple internal…
Q: compare the cell sizes of the untreated (1st photo) and colchicine-treated (2nd photo) Allium cepa.
A: Colchicine is an alkaloid produced by plants like Gloriosa superba of Lilliaceae family.It…
Q: How many colonies are present in this plate?
A: Microbiology is the study of microorganisms and associated topics. Microbiology has gone a long way…
Q: staining method would you use to verify that the isolates are not Mycobacterium species? Describe…
A: Staining is a method of coloring biological tissues to increase the contrast. This technique is…
Q: How to make a bacterial cell competent
A: Bacterial cells can be made competent either naturally or artificially. Competent cells are cells…
Q: Virology:Where does the 5’ cap come from ?
A: Introduction: CappingTo preserve the mRNA, a methylation guanine cap is inserted. It entails:…
What are the kinds of microtome with their corresponding type of embedding medium?Forum
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- What factors determine the eventual size of bacterial colony?Describe why a biofilm is so resistant and able to withstand standard antibiotics. What specifically makes a biofilm so difficult to kill? Explain the process of binary fission and how it differs from eukaryotic cell divison.What is a selective medium? What is a differential medium?
- Which of the following is NOT true about endospores? O 1) Spores are resistant to heat, radiation, cold, and dessication. O 2) One endospore germinates into one vegetative cell. O 3) They are a method of reproduction for bacterial cells when growth conditions are inhospitable. O 4) Endospores are clinically significant in causing disease. O 5) The endospore has a thick spore coat that protects it.Why have several specialized media been developed? Give an example ofone such medium.which of these are important in creating biofilms? (select all that apply) choose the correct answer. A) GLYCOCALYX B) FLAGELLA C) ARCHAELLA D) AXIAL FILAMENTS E) FIMBRIAE
- Is the phenylethylalcohol agar (PEA) a complex or defined medium? Please help explain based on what kind of microorganisms it allows to grow.How to establish state for tissue culture in laboratory? explain with diagramExplain the difference between Gram positive and Gram negative cell walls. Describe the procedure for performing a Gram stain. What is the procedure? How does each component work? (ie. What does the mordant do?) How is the Gram stain used clinically to help identify the cause of an infection?