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Question 8 microbio
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- Question 20 Medical microbiology laboratories are using molecular methods more and more to facilitate pathogen identification. What are the advantages of molecular methods, compared to traditional cultures? Question 20 options: a) Molecular methods provide rapid, quantitative results even for pathogens that have mutated b) Molecular methods are associated with increased sensitivity and yield rapid results c) Molecular methods are associated with increased sensitivity, and yield rapid results related to susceptibility testing d) Molecular methods yield results that remain positive for a long period of time, and are resistant to contamination with commensal organismsQUESTION 2 In the Luria Delbruck experiment, what did the appearance of a bacterial colony on a petri plate indicate? O A) The bacterial colony was derived from one initial cell that was resistant to infection by the bacteriophage. O B) The bacterial colony was made up of many cells that became resistant to bacteriophage infection independently. O C)A colony formed when a bacterial cell was not resistant to bacteriophage infection. O D) The bacterial cells that made up a colony were resistant to antibiotic. O E. phage caused mutations to occur in some of the plates but not in others.Question 68Chlamydia trachomatis is a: Question 68 options: a) Gram-negative, obligate intercellular bacteria b) Gram-negative facultative intracellular bacteria c) Gram-negative, obligate intracellular bacteria d) Gram-negative, facultative intercellular bacteria
- question 2. To detect trisomy 18 in amniotic fluid cells the most optimal probe type to use is A) M-BCR/ABL probe B) DiGeorge Probe C) Whole chromosome paint probe D) A probe specific for highly repeated alphoid DNA sequencesI need help with the following question: After graduating from university you decide to celebrate your success with a trip to Thailand during the summer. You rent a moped to visit an archeological site on the outskirts of Bangkok. On the way there you hit a patch of gravel and wipe out, badly scraping your leg. Lurking in the dirt embedded in the scrape on your leg is Burkholderia pseudomallei, a soil bacterium endemic in Southeast Asia but not present in North America. Describe the cellular and molecular processes necessary for the activation of a primary adaptive immune response and the effector mechanisms produced to clear the infection. Be specific in terms of receptors and effector molecules specific to the type of pathogen.This is a typical lab exam question. (Problem-solving, uses current topic.)Your TA performed the antibiotic disc experiment using supplies from their research lab. The antibiotic discs had the year 2002 written on their containers.Your TA grew a pure culture of unknown bacteria. They applied the culture to a fresh agar plate and applied the 2002 antibiotic discs to the plate and incubated it for growth. They found that the mystery bacteria species was resistant to all three antibiotic discs that were applied to the plate.Are there any control groups that could be used to confirm or refute this multi-drug resistance? Describe them.
- Identify the Eukaryotic Microogranisms in the worksheet, accordingly. I'm having difficulty separating them. Please help!In transduction, bacterial DNA packaged into the proteincoat of a phage is the vehicle for gene __________The images attached are the photos of bacteria in yoghurt under a misroscope. According to these images and your own knowledge, can you make a biological drawing of bacteria in yoghurt ( in a circle) and identify the types of bacteria accurately?
- Can someone tell me why the answer is that the spill contained transition inducing mutagens?You perform the Methyl-Red(MR)& Voges-Proskauer(VP)test and gather the followingresults: (Uploaded picture). VP test result is on the left, MR test result is on the right. A) Please interpret these results. B) Your fellow researcher and yourself are sure your bacterial sample is either E. coli or P. vulargis. Basedupon the work we have done in lab which methods will help you determine which bacteria it is? Please explain why, the results you would want to observe and provide analysis of those results.Question 80 An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. A preparation of the laboratory-grown microbe is treated with a lethal dose of ionizing radiation and then tested for its potential as a vaccine. What type of vaccine is this? Question 80 options: a) An inactivated whole vaccine b) A combination vaccine c) A subunit vaccine d) An attenuated vaccine