Q: What is the significance of biofilm presence on medical equipment?
A: Biofilms are a collective aggregation of one or more types of the microbial population together…
Q: 2. How would you expect the staining properties of 24-hour culture of Bacillus subtilis or the other…
A: Note: Ad per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: The…
Q: Other than bacteria list the other 6 types of Microorganisms
A: Introduction The word microorganism is derived from two words "micro" meaning "small" (10-6) and…
Q: In the lab you are testing a bacterium's oxygen requirement for growth. You grow your bacterium in a…
A: On the basis of the oxygen requirement, microorganisms can be classified as aerobic and anaerobic.
Q: Coulter Counter method in microbiology and its advantages and disadvantages?
A: Microbiology is the branch o biology that is concerned with the research of unicellular,…
Q: Why are endospore vials used to test autoclave function? A. they change color when killed B. they…
A: The whole Earth is full of a lot of organisms. Unicellular and multicellular organisms inhabit the…
Q: 1. A term of biologists performed an experiment to determine the effectiveness of a chemical to…
A: Note: As Per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…
Q: How different types & structures of cells helped us understand the mechanisms on how they work in…
A: As per the honor code, we only answer one question at a time, therefore we are answering the first…
Q: 1. Surgical instruments are sterilized by heating them, while alcohol is used as disinfectant in…
A: Sterilization is defined as the process by which all microorganisms including viruses, bacteria,…
Q: 1. it is sometimes difficult to obtain pure cultures of microbes that grow naturally in mixed…
A: Hello “Since you have asked multiple questions, we will solve the first three questions for you. To…
Q: need help with microbiology/2010 1. Describe where the following items should be discarded: a)…
A: There are two types of bacteria: Gram-negative Gram-positive
Q: Is the Storage media in microbiology is a simple or liquid medium and what is its functional types?
A: Culture media is the substance that is involved in the growth and supports the survival of the…
Q: What is the purpose of an autoclave and what is its mechanism
A: Note- Kindly note that we are supposed to answer only for first irrelevant question, so please…
Q: What type of microbes are often withstand and survive high pressure treatment?
A: Microorganisms are killed by high hydrostatic pressure. This pressure-instigated inactivation is…
Q: In experimental microbiology classification of bacteria is very important. Why is essential to…
A: The microbes and E.coli both are prokaryotic organisms which give us a different field of…
Q: The picture shows bacteria (Escherichia coli) under a microscope Do you bacterial growth or no (…
A: Culture media are an integral part of microbiology lab where bacteria can be grown on different…
Q: In lab, sterile technique is important for what reason? none of the answers are correct to ensure…
A: In Sterile Condition, Every microbe including bacteria, fungus, etc should be eradicated before…
Q: What type of microbe has lipid A? Gram-positive bacteria Protozoa Fungi Gram-negative bacteria
A: Answer :- Gram-negative bacteria. - Gram-negative bacteria is type of microbe has lipid A.
Q: 1.Tabulate the similarities and differences between pasteurization and sterilisation, give examples.…
A: Note : Since, you have asked mutiple questions, we will solve the first question for you. If you…
Q: Antibiotics can be bactericidal (they kill the microbe) or bacteriostatic (they inhibit microbial…
A: Disk Diffusion Test: The disk diffusion test is a culture-based microbiology assay used in…
Q: Name the 3 cellular structures in microbe cells that are most frequently targeted by the…
A: For a variety of topical and hard surface applications, antiseptics and disinfectants are used in…
Q: Which of the letter labeled microbes is exhibiting gamma-hemolysis? O Both Microbes A and B O…
A: Blood agar is an example of enriched medium that has multiple nutrients and is used as a basal…
Q: 1. In addition to nutrients Lowenstein-Jensen (L-J) medium (used to culture Mycobacterium species…
A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…
Q: Although sparse, there is still visible growth of microorganisms in Plate D which is the…
A: Inoculation is defined as the act, process, or occurrence of inoculating, specifically from one…
Q: Some antibiotics show no zone of inhibition against the microbe. How is this possible? Explain how…
A: The zone of inhibition is basically the circular area around the spot of antibiotic in which the…
Q: What is growth in "pure culture"? O Growth of human pathogens Growth of just one species in the lab…
A: A microbial culture is a method of multiplying microbial organisms by letting them reproduce in a…
Q: The picture shows bacteria (Escherichia coli) under a microscope Do you bacterial growth or no (…
A: * Escherichia coli is a rod shaped gram negative bacteria present in human intestine. * E coli…
Q: 0.22 micrometers
A: The size of bacteria generarally ranges from 0.2 to 5 micrometer, therefore, most of the bacteria…
Q: Explain the Turbidity method in microbiology and its advantages and disadvantages?
A: Turbidity It describes how the light passes through a liquid sample by measuring the number of…
Q: 5. The favorable growing conditions of a microbe is at 37°C and pH 6. Which of the following…
A: Microbes are the minute single-celled organisms that are present all around us and are not visible…
Q: What are five different categories of chemical agents utilized in order to control microbes? 2.…
A: Microorganisms are microscopic organisms that are present as unicellular, multicellular, or cell…
Q: 3. Using the diagram below, name the shape of bacteria A 88 E 88 88 888 B F 909 K 00 L H
A:
Q: Why is heating the inoculating loop so important in microbiology? 2. Why is it that moist heat is…
A: Inoculating loop is a simple microbiological tool which is used by microbiologist to transfer a…
Q: Microbiology, are there technologies that can help make bacterial culture and sensitivity done…
A: The typical bacterial culture and sensitivity test takes around 7 days to give result, which can…
Q: Discuss the actions of the ditterent chemical agents in controlling microorganisms: L phenols 2.…
A: Chemical agents plays a major role in eradication of microorganisms from the environment.
Q: 1) would you describe the contents of the soil-inoculated broth as being a “pure culture”? Why or…
A: 1. A soil-inoculated broth cannot be considered as a “pure culture”. A pure culture is a collection…
Q: The technique used in bacteria for endospore staining can also be used to observe fungal spores.…
A: *Endospores staining is used to recognize presence of spore in bacterial cells This needs staining…
Q: 1. How is UV radiation a good type of control mechanism against microbial growth? Please explain…
A: # According to our guideline we can answer only the first question. Upload the 2nd question…
Q: 1. What kinds of media would be used to culture and Identify this microbe? 2. What are some other…
A: Hi, Thanks For Your Question. 1. What kinds of media would be used to culture and identify this…
Q: Teichoic acid is a major feature of which cell wall? O Fungal Viral O Gram-positive bacteria O…
A: The cell wall is the additional layer present outside of the plasma membrane in some organisms…
Q: The picture shows bacteria (Escherichia coli) under a microscope Do you bacterial growth or no (…
A: In microbiology the bacterial culture plate is used for observing the growth of the microorganisms.…
Q: How is UV radiation a good type of control mechanism against microbial growth and what happens to…
A: ultraviolet (UV) radiation is a type of non-ionizing radiation that is produced by the sun and…
Q: Which of the following microorganisms contain large amounts of peptidoglycan? O a. Some viruses O b.…
A: Ans- b) Gram-Positive Bacteria Gram stains as one of the crucial stains experiment for bacteria to…
Q: how is UV radiation a good type of control mechanism against microbial growth?please expalin what…
A: Humans have used various physical methods of microbial control for food preservation. Common control…
Q: The colonies on a negative MSA plate would appear _____________. 2. "E. Coli and S. epidermidis…
A: MSA stands for Mannitol Salt Agar. The MSA plate is often used for halophilic bacterias. Halophilic…
Q: . Why not test water samples directly for Salmonella typhosa or other pathogens?
A: Salmonella Typhi bacteria infect the blood and intestine of humans. The disease caused by this…
Q: ell me three things that you know about controlling microbial growth - think about how you handle…
A: Microbiologists utilized laboratory cultures to investigate bacteria and viruses. Many elements of…
Q: 1. Table 1 lists a typical recipe for growing bacteria in the lab. A researcher discovered a…
A: Microbiological media or bacterial culture media, is a growth medium used to grow bacteria. In other…
1. why is there a need to incubate cultures at room temperature? How can this affect microbes?
2. Explain why an inverted image is seen under a compound microscope.
Step by step
Solved in 2 steps
- Figure 22.8 Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to antibiotics and detergents. Why do you think this might be the case?1. If you are a thermophilic endospore forming bacterium what would be the appropriate and economically wise method for your preservation? Which culture collection centers will you select and why?1. Why is heating the inoculating loop so important in microbiology?2. Why is it that moist heat is chosen to be the most commonly used in sterilization? 3. What part of the flame is the best part to use to sterilize an inoculating loop or needle?
- 1.Describe the difference between the appearance of surface and subsurface colonies in a pour plate. If this is the same bacterial species, why do these differences in colonial growth occur? 2.Define the term "colony" as it relates to bacterial growth on solid media.2. You use tubes to test aerotolerance of bacteria. From your samples you have 3 results: A. Bacteria growing on the surface. B. Bacteria growing throughout the tube, the agar shows cracks. C. Bacteria growing about 5 mm below the surface. Please interpret each bacterial result. (Give the bacteria an oxygen classification, explain what classification means and interpret the cracks in the agar.)1. In Microbiology, are there technologies that can help make bacterial culture and sensitivity done faster?
- 2. A mannitol-salt agar plate was inoculated with these bacteria and is shown below. A. What type of organisms grow on this medium? B. Based on the reaction below, what can you say about the organism derived from the patient's abscess?1. What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame? 2. Why is heat a highly effective sterilizing agent?3. Which of the three methods of heat sterilization is the most appropriate and practical to use in sterilizing antibiotic solutions? (Direct flame, Dry heat, Moist heat)1. What are five different categories of chemical agents utilized in order to control microbes? 2. What's the reason why we try to prevent growth of certain microbes? Why is this needed? 3. What are four methods of physical control of microbes?
- 3. Why can there be no generalized media that can support all types of microorganisms? Briefly justify in less than 50 words.1. How is UV radiation a good type of control mechanism against microbial growth? Please explain what happens to the microbe and effects this control causes. 2. Suppose you do the Kirby-Bauer test on a hypothetical Staphylococcus species with penicillin and tetracycline. You record diameters of 20mm for tetracycline and 24mm for penicillin. Which antibiotic is most effective against this bacterium and why? Please explain and interpret these results. 3. Please provide the scientific name of your microbe that was used in the UV experiment (i.e. S. aureus). Compare your plates and interpret/analyze your results. Please discuss your findings and any patterns you were able to gather. 4. After performing the “Effects of Antiseptics & Disinfectants” lab which agent(s) showed potential to control S. marcescens growth? P. aeruginosa? Please explain why you believe these agent(s) work. 5. What purpose does water serve in the “Effects of Antiseptics & Disinfectants” lab? What did you…1. What is the significance of soaking the container in bleach? 2. What is the significance of keping the container closed except when pouring the medium; partially opening the container during pour-plating in preparing culture media?