Which of the following statements is true? a. Failing to complete a course of antibiotics when being treated with an infection can contribute to antibiotic resistance. b. Chicken pox (direct transmission) likely has higher average virulence than Cholera (water-borne). c. Pathogens typically evolve
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QUESTION 53
-
Which of the following statements is true?
a. Failing to complete a course of antibiotics when being treated with an infection can contribute to antibiotic resistance.
b. Chicken pox (direct transmission) likely has higher average virulence than Cholera (water-borne).
c. Pathogens typically evolve at the same rate as the host they are infecting.
d. Vector-borne pathogens are more likely less virulent than directly transmitted pathogens.
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- QUESTION 17 When predicting the flu virus that is going to be most prevalent the following year, which of the following characteristics would you expect it to have? a. It has more changes in the antigenic sites and is more divergent compared to other flu variants. b. It has very few changes in the antigenic sites of the virus compared to other flu variants. c. Host switching rarely occurs and it is primarily found in pigs and birds. d. Evidence that human populations are currently resistant to it.Question 9 Which antibiotic can help differentiate between Staphylococcus species? a Cephalosporin b Penicillin c Naladixic acid d NovobiocinQuestion 64 (1 point) Neisseria gonorrhea is able to disseminate from the primary site of infection to distal sites such as the heart or joints. By what mechanism is this microorganism able to disseminate? Question 64 options: a) This microorganism possesses strong flagella that can propel them through blood vessels b) This microorganism produces endospores that can resist phagocytosis and later germinate c) This microorganism possesses fimbriae which allow them to “hitch a ride” on sperm cells d) This microorganism can survive phagocytosis and multiply within neutrophils
- QUESTION 11 A graduate student, whom had not taken BIOL 531, localized the epitope for an antibody generated by the COVID19 vaccine to the peptide sequence below. S21P2 PSKPSKRSFIEDLLFNKV The student did a Blast search of the human proteome and found matches to human proteins. They are concerned that this means the vaccine could cause an autoimmune rection to human proteins. Is this student justified in this concern? Use statistics from a Blast search to justify your answer (Limit 5-6 sentences).QUESTION 50 You often hear that we evolved from monkeys. Write a concise and scientific, yet understandable to non-scientists, statement that you would say to clearly explain to someone you run into on the sidewalk why this statement is not supported by science.Question Ms. Rossi, a third grade teacher who has been teaching for seven years, noticed that nearly half of her students got the flu in a particular year. When discussing this with the principal of the school she said, “Nearly half of my students got the flu this year.” In scientific process, her response can be classified as: deductive reasoning scientific reasoning Inductive reasoning
- Question 1. How cell separation is key in cell culture establishment? Question 2. What is the relationship of adherent cells and trypsin in Animal cell culture? Question 3. An enriched medium containing salts, glucose, proteins and vitamins was made and a commercially available animal cell line was introduced. However, the cells began dying. What could be the reason behind it? Question 4. A) What is the significance of producing monoclonal antibodies? B) What is the role of cell culture in production of monoclonal antibodies? C) Name and briefly explain the use of any 4 commercially available monoclonal Question 5. The aim of a research project is to produce a hybrid plant having resistance to disease. The disease…Discuss with the use of examples from the passage, the way modern technology can sometimes be a curse rather than a blessing to mankind. Situate your answer in the COVID-19 contextQUESTION 82 Which technique did Charles Darwin use to measure the age of the Earth? A. rate of erosion of Igneous rocks in England B. rate of weathering of sandstone in sourthern England C. rate of erosion of the chalk formation in sourthern England D. rate of sedimentation of the oceans
- Question 2. Why are viruses notconsidered to be organisms and notdescribed as being alive?1) Virions are unable to reproduce by themselves.2) Virions are not able to metabolize by themselves.3) Virions are not able to synthesize DNA by themselves.4) Virions are not able to assemble spontaneously.A.1B.2C. 3D. 4E. 1, 2, and 3i need help finding the answer in the article Why does it make sense to look for ARGs and not antibiotic-resistant organisms themselves?Question 3 How does a virus ‘choose’ the cell it will infect? A. There is no choice involved; viruses infect any cell its environment B. It chooses cells based on their replication capacity C. It is attracted by a gradient of chemokines to the cell D. It recognizes/interacts with cell-surface molecules and attaches to the cell it will infect
