Humans have learned through history how to use the abilities of microbes to their advantage. Considering ways that we use them (not how they naturally have become part of our microflora), describe 3 methods used in the environment, industry, and in our daily lives.
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Humans have learned through history how to use the abilities of microbes to their advantage. Considering ways that we use them (not how they naturally have become part of our microflora), describe 3 methods used in the environment, industry, and in our daily lives.
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- There are various environmental factors that can influence microbial growth and reactions. These factors play a role which will determine if a microbe can function in a given environment. What are 2 environmental factors believed to be the most important out of the others ?The world is facing a Corona Virus (COVID-19) Pandemic and as a potential scientist and a microbiology student, you have been required to prepare the easiest and most affordable hand sanitizer that can be utilized by students in various microbiology laboratories. Each student in your class has been given 96% ethanol and you are required to prepare 70% ethanol hand sanitizer in a 2L spray bottle. Describe clearly the method you will use in order to achieve the aim of the practical.Which of the following statements regarding microbial death is FALSE? Question options: cell walls are targeted by all microbial control agents all of these statements are TRUE many antimicrobial agents function through the disruption of protein structure under a given set of conditions, the fraction of a microbial population tht dies per minute is typically constant over time the effectiveness of an antibacterial agent is a function of its microbial death rate the rate at which microbes are killed is termed the microbial death rate
- You are working for the CDC studying outbreaks of foodborne infectious disease. Your latest case is an incidence of food poisoning in a fast food restaurant. 5 people have been hospitalized for food poisoning, so you are working with that hospital to identify the source of the outbreak. Hospital clinicians have taken samples from each of the 5 patients for culturing. Each bacterial culture grew one likely microbe, each labelled P1, P2, P3, P4, and P5. All 5 isolates appear to have the same colony morphology on the plates, and all appear to be Gram-negative rods 1 micron wide and 3 microns long under the microscope. In addition, all 5 isolates appear to perform the same on an API 20E test strip that tests bacteria for 20 biochemical abilities. No other testing has been done yet. How would you best describe your set of isolates at this moment? O Each isolate is the same strain, of a different species O Each isolate is a different strain, of different species O Each isolate is a different…In lab, sterile technique is important for what reason? none of the answers are correct to ensure that we have not introduced outside microbial variables to prevent our samples from being contaminated with human samples all of the answers are correct to prevent us from getting sick with microbesChoose one specific way from each of the two methods of inhibiting the growth of microbes below. Describe the method, explain the mechanism of action of killing the microorganisms and give practical applications of your chosen ways. 1. Physical Methods - Heat, cold, dessication, radiation, ultrasonic waves, filtration, gaseous atmosphere 2. Chemical Methods- disinfectants, antiseptics
- Which of the following statements regarding microbial death is FALSE? Question options: cell walls are targeted by many microbial control agents the effectiveness of an antibacterial agent is a funciton of its microbial death rate the rate at which microbes are killed is termed the microbial death rate all of these statements are TRUE few antimicrobial agents function through the disruption of protein structure under a given set of conditions, the fraction of a microbial population that dies per minute is typically constant over timeNote that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is one experiment you could do, involving culturing the organism?Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is a procedure you could do, involving making a slide of the organism?
- You have learned many different techniques so far this semester that allow us to identify pathogenic microbes in the clinical setting. Why do you think rapid methods are so helpful? Why are traditional tests such as metabolic tests not always used to ID clinically important microbes?there are different methods to be used in order to control opportunistic infection and that includes cleaning, sanitizing, disinfecting, sterilizing... And that depends how they can be applied according to the area and level the health care worker or scientist is and the environment. Do you know how these methods of microbial growth are applied and where?Microbial forensics is the field of science that is investigating all of the different ways in which microorganisms can cause death. studies the different microbes that are detrimental to human survival. is investigating the ways in which microbes can rapidly adapt to avoid death. studies microbial composition of organisms after death. studies the vast array of microorganisms that populate the Earth.
