BIOS 242 Week 4 Midterm (Spring 2021)

1. Question: (CO1) Organisms calledparasitesare . 2. Question: (CO1) In the experiments constructed by Pasteur to disprove spontaneous generation, swan-necked flasks were used. Why was this shape of flask used in this experiment? 3. Question: (CO1) Koch's postulates would not be explain disease process of 4. Question: (CO 1) Viruses can beclassifiedas infectiousagents. 5. Question: (CO2)Thelipidgroupthatisthemajorcomponentofcellmembranesisthe . 6. Question: (CO3)Abacterialgenusthathaswaxymycolicacidinthecellwallsis . 7. Question: CO3) LPS (lipopolysaccharides) are found in the outer membrane of 8. Question: (CO2) Which molecule is translated into an amino acid sequence? 9. Question: (CO2) A frameshift iscausedby mutations. 10. Question: (CO2) An infant has been diagnosed with severe combined immunodeficiency disease (SCID). The doctor suggests which treatment as a possible cure for the disease? 11. Question: (CO1) A microbiologist inoculates a mixed culture containing both Gram positive and negative bacteria. Following incubation, only the Gram negative bacteria grows in the culture. What is the most likely explanation? 12. Question: (CO1)Thetermthatreferstothepurposefuladditionofmicroorganismsintoalaboratorynutrient mediumis . 13. Question: (CO1)Which type of medium distinguishes different types of microorganisms based on an observable change in the colonies or in the medium? 14. Question: (CO1) Which type of microscope achieves the greatest resolution and highest magnification? 15. Question: (CO5)Thismicrobeisphotosynthetic.Itscarbonsourceisanorganiccompound.Theappropriate classification for this organismwouldbe . 16. Question: (CO5)Anorganismwithatemperaturegrowthrangeof65°Cto80°Cwouldbecalleda(n) ______. 17. Question: (CO5)Thetimeintervalfromparentcelltotwonewdaughtercellsiscalled . 18. Question: (CO5)Thephaseofthebacterialgrowthcurveinwhichnewlyinoculatedcellsareadjustingtotheirnew environment, metabolizing but not growing at an exponentialrate, isthe______. 19. Question: (CO6) Enzymes that function inside acellare . 20. Question: (CO 6) In which cyclic pathway is the most FADH, NADH generated? 21. Question: (CO 6) Which pathway produces least number of ATP? 22. Question: (CO6) Electron transport chain in prokaryotes takes place in 23. Question: (CO3) Which of the following is a type of reproduction shown only by protozoa? 24. Question: (CO3) Which cellular process is mismatched with its step in mitosis? 25. Question: (CO3) In humans, helminths generallyinfectthe . 26. Question: (CO3) Which of the following can undergo both sexual and asexual reproduction 27. Question: (CO4)A/an is the protein shell around the nucleic acid core of avirus. 28. Question: (CO4)What type of virus enters an inactive provirus stage? 29. Question: (CO4) Infectious protein particlesarecalled . 30. Question: (CO4) Viriods cause infection in? 31. Question: (CO7)Theprocessthatdestroysorremovesallmicroorganismsandmicrobialforms,includingbacterial endospores, on inanimateobjectsis . 32. Question: (CO 7) What instrument is most effective for pressure-temperature sterilization? 33. Question: (CO 7) Which drug is used to destroy cell wall of bacteria that have mycolic acid and cause tuberculosis? 34. Question: (CO 7) There are fewer antifungal, antiprotozoan, and antihelminthic drugs compared to antibacterial drugs because fungi, protozoa, and helminths 35. Question: (CO7)Infectionscausedbygram-negativebacilliareoftentreatedwith . 36. Question: (CO8)Whichofthefollowingis/arethewaysbywhichnewbornsacquire 37. Question: (CO8)Thegreatestnumberofpathogensenterthebodythroughthe . 38. Question: (CO8)Lipopolysaccharideoftheoutermembraneofgram-negativecellwallsiscalled ______. 39. Question: (CO8)Aninanimateobjectthatharborsandtransmitsapathogenisa . 40. Question: (CO8)Adiseasethatexhibitsnewcasesatirregularintervalsinunpredictablegeographic locales. . 41. Question: (CO 2) Match the cellular structures and type of microorganisms 42. Question: (CO 9) Match the patterns of infection. 43. Question: (CO3) Select all that apply - Which of the following are the types of eukaryotic reproduction 44. Question: (CO8) Select all that apply - What are the different ways by which microorganisms acquire antibiotic resistance? 45. Question:(CO1) What were the contributions of Robert Koch, Semmelwies and Loius Pasteur in the field of Microbiology.Or(CO6) Compare and contrast the comepetitive and non competitive inhibition of enzymes 46. Question: (CO4) Why do we need new flu shots every season? And why we cannot use a vaccine available for flu to treat viral infections like COVID?OR(CO5) You found a novel microorganism which uses the energy from light and organic carbon as food source. It grows at the bottom of thioglycolate medium, in salty marshlands, at a temperature of 370C. Describe the terms that describe the nutritional, physical and Chemical requirements of this microorganism. Do you think this microorganism can cause disease in humans?