(retake) BIOS 242 Week 4 Midterm Exam: Summer 2021; Score for this quiz: 150 out of 150 | BIOS242 Week 4 Midterm Exam (all answers

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BIOS 242 Week 4 Midterm Exam 2021/2022 Question: (CO1) Organisms called parasites are . Question: (CO1) In the experiments constructed by Pasteur to disprove spontaneous generation, swan-necked flas... ks were used. Why was this shape of flask used in this experiment? Question: (CO1) Koch's postulates would not be explain disease process of Question: (CO 1) Viruses can be classified as infectious agents. Question: (CO2) The lipid group that is the major component of cell membranes is the . Question: (CO 3) A bacterial genus that has waxy mycolic acid in the cell walls is . Question: CO3) LPS (lipopolysaccharides) are found in the outer membrane of Question: (CO2) Which molecule is translated into an amino acid sequence? Question: (CO2) A frameshift is caused by mutations. 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? 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? Question: (CO1)The term that refers to the purposeful addition of microorganisms into a laboratory nutrient medium is . Question: (CO1)Which type of medium distinguishes different types of microorganisms based on an observable change in the colonies or in the medium? Question: (CO1) Which type of microscope achieves the greatest resolution and highest magnification? Question: (CO 5) This microbe is photosynthetic. Its carbon source is an organic compound. The appropriate classification for this organism would be . Question: (CO 5) An organism with a temperature growth range of 65°C to 80°C would be called a(n) ______. Question: (CO 5) The time interval from parent cell to two new daughter cells is called . Question: (CO 5) The phase of the bacterial growth curve in which newly inoculated cells are adjusting to their new environment, metabolizing but not growing at an exponential rate, is the ______. Question: (CO6) Enzymes that function inside a cell are . Question: (CO 6) In which cyclic pathway is the most FADH, NADH generated? Question: (CO 6) Which pathway produces least number of ATP? Question: (CO6) Electron transport chain in prokaryotes takes place in Question: (CO3) Which of the following is a type of reproduction shown only by protozoa? Question: (CO3) Which cellular process is mismatched with its step in mitosis? Question: (CO3) In humans, helminths generally infect the . Question: (CO3) Which of the following can undergo both sexual and asexual reproduction Question: (CO4) A/an is the protein shell around the nucleic acid core of a virus. Question: (CO4)What type of virus enters an inactive provirus stage? Question: (CO4) Infectious protein particles are called . Question: (CO4) Viriods cause infection in? Question: (CO 7) The process that destroys or removes all microorganisms and microbial forms, including bacterial endospores, on inanimate objects is . Question: (CO 7) What instrument is most effective for pressure-temperature sterilization? Question: (CO 7) Which drug is used to destroy cell wall of bacteria that have mycolic acid and cause tuberculosis? Question: (CO 7) There are fewer antifungal, antiprotozoan, and antihelminthic drugs compared to antibacterial drugs because fungi, protozoa, and helminths Question: (CO 7) Infections caused by gram-negative bacilli are often treated with . Question: (CO 8) Which of the following is/are the ways by which newborns acquire Question: (CO 8) The greatest number of pathogens enter the body through the . Question: (CO 8) Lipopolysaccharide of the outer membrane of gram-negative cell walls is called ______. Question: (CO 8) An inanimate object that harbors and transmits a pathogen is a . Question: (CO 8) A disease that exhibits new cases at irregular intervals in unpredictable geographic locales. . Question: (CO 2) Match the cellular structures and type of microorganisms Question: (CO 9) Match the patterns of infection. Question: (CO3) Select all that apply - Which of the following are the types of eukaryotic reproduction Question: (CO8) Select all that apply - What are the different ways by which microorganisms acquire antibiotic resistance? 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 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? [Show More]

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