Unfortunately, bacteria can become resistant to antibiotics. Please identify a method(s) that bacteria can gain the information to become antibiotic resistant. Both methods are possible ways Acquiring a Resistant Plasmid DNA mutation Below is an image of an antibiotic sensitivity test performed on a particular bacteria. Different antibiotics are represented by a different letter of the alphabet. Please use the letters to answer the following questions Which antibiotic appeared to have the largest zone of inhibition? [Select] Which antibiotic appears to have the smallest zone of inhibition? [Select] How would you define zone of inhibition? [Select] [Select] area around the antibiotic disc where no bacteria grow area around the antibiotic disc where bacteria grow very well portion of the petri dish where bacteria are being cultured

Unfortunately, bacteria can become resistant to antibiotics. Please identify a method(s) that bacteria can gain the information to become antibiotic resistant. Both methods are possible ways Acquiring a Resistant Plasmid DNA mutation Below is an image of an antibiotic sensitivity test performed on a particular bacteria. Different antibiotics are represented by a different letter of the alphabet. Please use the letters to answer the following questions Which antibiotic appeared to have the largest zone of inhibition? [Select] Which antibiotic appears to have the smallest zone of inhibition? [Select] How would you define zone of inhibition? [Select] [Select] area around the antibiotic disc where no bacteria grow area around the antibiotic disc where bacteria grow very well portion of the petri dish where bacteria are being cultured

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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In a petri dish with solidified agar with escherichia coli, enterobacter aerogenes and staphylococcus aureus, you streak a loopfull of lytic T4-phage in a single line onto the center of the the dish, how do you know if bacteriophage infected the bacteria. why didn't the bacteriophage infect all 3 bacteria?
Katelyn had been working for Dr. Johnson for a month, and while she had become quite good at measuring inhibitionzones, she didn’t know why she was doing all this work. She had gotten very curious after she began doing all themeasurements on a new set of antibiotics. # is experiment involved infecting mice with MRSA and tracking how theMRSA grew over time.Data were collected by counting the cells of MRSA taken from $ uid samples from the mice. # e cells were measuredby taking one gram of the $ uid and spreading it over plates, but now Katelyn counted the colonies that grew on theplate after 24 hours. Because there were so many, she actually measured the colonies as “log CFU/g.” A CFU is acolony forming unit, or essentially a cell that will divide into a colony that can be seen. Because there can be so many,Katelyn measured them on a logarithmic (log) scale. # e raw data in her lab notebook looked like the following:Table 1. E% ect of treatment on MRSA in mice after 24 hours of drug…
A phage-infected bacterial culture was subjected to a series ofdilutions, and a plaque assay was performed in each case, withthe following results. What conclusion can be drawn in the caseof each dilution? Dilution Factor Assay Results(a) 104 All bacteria lysed(b) 106 14 plaques(c) 108 0 plaques
You have isolated a beta-lactamase producing Staphylococcus aureus (not a MRSA strain) from an infected surgical site on your patient. If for genetic reasons, your patient is allergic to all antibiotics except beta-lactam antibiotics such as ampicillin ( they can only take Beta-lactam antibiotics such as ampicillin), which strategy below could you use to treat this Staphylococcus aureus infection in your patient? Note different answers compared to previous question. give the patient erythromycin can use a beta-lactamse resistant beta-lactam such as methicillin or oxacillin O give the patient penicillin give the patient an azole drug
A4-month-old infant had been running a moderate fever for36 hours, and a nervous mother made a call to her pediatrician.Examination and tests revealed no outward signs of infectionor cause of the fever. The anxious mother wanted a prescription for antibiotics, but the pediatrician recommended watching the infant for two days before making a decision. He explained that decades of rampant use of antibiotics in medicine and agriculture has caused a global surge in antibiotic-resistant bacteria, drastically reducing the effectiveness of antibiotic therapy for infections. He pointed out that bacteria can exchange antibiotic resistance traits and that many pathogenic strains are now resistant to several antibiotics. The mother wasnot placated by these explanations and insisted that her baby receive antibiotics immediately. This situation raises several issues. Question How should the pediatrician balance his ethical responsibility to provide effective treatment to the present patient with…
A4-month-old infant had been running a moderate fever for36 hours, and a nervous mother made a call to her pediatrician.Examination and tests revealed no outward signs of infectionor cause of the fever. The anxious mother wanted a prescription for antibiotics, but the pediatrician recommended watching the infant for two days before making a decision. He explained that decades of rampant use of antibiotics in medicine and agriculture has caused a global surge in antibiotic-resistant bacteria, drastically reducing the effectiveness of antibiotic therapy for infections. He pointed out that bacteria can exchange antibiotic resistance traits and that many pathogenic strains are now resistant to several antibiotics. The mother wasnot placated by these explanations and insisted that her baby receive antibiotics immediately. This situation raises several issues. Question: If the infant was given antibiotics, how might this have contributed to the production of resistant bacteria?
A4-month-old infant had been running a moderate fever for36 hours, and a nervous mother made a call to her pediatrician.Examination and tests revealed no outward signs of infectionor cause of the fever. The anxious mother wanted a prescription for antibiotics, but the pediatrician recommended watching the infant for two days before making a decision. He explained that decades of rampant use of antibiotics in medicine and agriculture has caused a global surge in antibiotic-resistant bacteria, drastically reducing the effectiveness of antibiotic therapy for infections. He pointed out that bacteria can exchange antibiotic resistance traits and that many pathogenic strains are now resistant to several antibiotics. The mother wasnot placated by these explanations and insisted that her baby receive antibiotics immediately. This situation raises several issues. Question:If you were an anxious parent of the patient, would it change your mind if you learned that a woman died in 2016 from a…
In 1944, Avery, Macleod, and McCarty provided strong evidence that DNA is the hereditary material in Streptococcus pneumoniae by Group of answer choices showing that avirulent cells could become virulent by the process of transduction none of these is true. showing that virulent cells could become avirulent if the DNA was destroyed after transformation showing that avirulent cells could not gain the ability to become virulent cells if conjugation was interrupted. showing that avirulent cells could not gain the ability to become virulent if DNA was destroyed after transformation.
5 strains of E. coli are isolated. They may be mutated on the ara, mal, leu and pro genes, and only these 4 genes. The 5 strains (E1 to E5) are tested on 5 different media and colonies are observed the next day. Rich Media (Lb) E5 E4 E1 E2Ⓡ E3 MM + Mal+Leu E5 E4 X ● E1 E5 X MM + Mal E4 X X E1 E3 E2 E5 ✪✪ E2 E4 ● E1 E5 MM + Mal+Leu +Pro E2 E3 MM + Ara E4 X X E1 E3 E2 X X Colonies are indicated by a black dot, absence of a colony is indicated by a cross. 1) Determine the genotypes of the 5 bacterial strains (E1 - E5)
Row C D. B B. one: A C O phage with radiolabelled protein coat phage with radiolabelled DNA 100 10. phage infects The experiment shown above was designed by bacterium phage infects bacterium EXPERIMENT 1 phage shell is removed EXPERIMENT 2 요 Hershey & Hershey & Chase Meselson & Stahl Meselson & Stahl 8 phage shell is removed 28 no radioactivity in cells ii 48 radioactivity in cells LL and proved that ii DNA replication is semiconservative DNA is the hereditary material DNA replication is semiconservative DNA is the hereditary material (select the row that correctly completes the statement)
Describe and explain the difference in results if the serial dilution step of the T4 bacteriophage suspension inour experiment was skipped (i.e., all of Step #3 of the procedures was skipped)? _________________________Current EventsThe Johnson and Johnson COVID-19 vaccine consists of inactivated adenovirus that has been altered to containgenetic information encoding SARS-CoV-2 surface spike proteins. The virus targets and delivers this geneticinformation to the cells of our respiratory tract, which produce benign SARS-CoV-2 surface spike proteins butare effective for training our immune system to defend us against SARS-CoV-2.Based on this information and your knowledge of viruses in general, could T4 bacteriophage be used in place of
Some bacteria may have higher mutation rates than others following exposure to UV light. Discuss a reason why this might be the case. What experiments could you do to determine whether this is a likely possibility?