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BIOL2173 Microbiology - RMIT University
Assessment Questions
Question 1. A mutant you made in the laboratory with 5-bromouracil suddenly regains the wild-type phenotype. You discuss this phenomenon with your advisor and colleagues, and they suggest you try transposon mutagenesis to avoid this problem and create stable mutants. Why is it important to create microbial mutants in research? i.e. whatare mutants from wild type used for? Explain the procedure to create mutants in bacteria, AND discuss why would mutants created with 5-bromouracil be more likely to regain the wild-type phenotype than mutants created via transposon mutagenesis?
Question 2. Antibiotic resistance is a major healthcare problem, with some microbes developing resistance to most known antibiotics. How can microbes develop resistance against currently used antibiotics? Discuss two potential mechanisms for developing antibiotic resistance AND identify potential approaches to overcome it? Support your answer with examples and cited references.
Question 3. Some residential human oral bacteria may cause opportunistic infections in other body systems. Discuss the potential of residential microbes to develop into opportunistic pathogens, why? Where? When? And give an example on an oral Gram-negative bacterium that has the potential to cause opportunistic infectionsin patientswho are diagnosed with inflammatory Bowel Diseases,supporting your answer with cited evidence from the literature.
Diagram the pairing behavior at meiosis prophase I of atranslocation heterozygote that has normal chromosomes of the gene order abcdefghij and mnopqrstuv and translocated chromosomes with the gene order abcdefgtuv andmnopqrshij. Assume that centro..
Stump your classmates! This week, we are learning a new language, the language of anatomy! As with any new language, the best way to learn it is to use it! Practice by describing an injury or illness in anatomical terms and challenging your classm..
Why would the following statement be true or not true "a chemical disinfectant by definition should always be bactericidal."
What is the policy about confidentiality? What type of information is considered confidential?
Question: What effects do heat and alcohol have on bacterial growth? Please provide authentic solution.
Please describe how nutrient lack theory allows for adequate blood flow during exercise. Additionally, please provide 2 peer reviewed sources
What is the difference between infection and disease?
Did any of the foods/solutions that tested positive for protein also test positive for reducing sugars (Benedicts Test) or starch (Iodine test)? Explain your answer.
Place the atoms Ar, Mg, N, and P in increasing order of atomic radius. Explain the factors that determine the order in which they appear.
You are asked to determine the number of viable organisms per ml in a sample. The sample is thought to contain between 6.3X10^6 and 8.4X10^6 organisms per ml. How would you do this with the least amount of error?
How is carbohydrate digested in our body? Which sources of carbohydrates are considered healthier for us and which ones should be avoided or used sparingly?
How does Carb-Cutter work as the new weight loss drug for the 21st century instead of exercising in the gym?
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