BIOS 242 Full Week 6: iLab, Quiz plus Discussions 2021

BIOS 242 Full Week 6: iLab, Quiz plus Discussions 2021 (TCO 1) Why are microorganisms so important to our ecosystems? Question : (TCO 1) The scientific method consists of four basic steps. Which option below shows the correct sequence of events? Question : (TCO 1) Which of the following is a practical application of the use of Saccharomyces cerevisiae? Question : (TCO 1) Which of the following statement(s) is true of yeasts? Question : (TCO 2) Which of the following is NOT an example of an archaea? Question : (TCO 2) Which of the following statements about prokaryotic arrangement is TRUE? Question : (TCO 2) What is the potential overall magnification of a microscope that has a 10X ocular lens and a 40X objective lens? Question : (TCO 2) Which unit of measurement is used to measure intracellular organelles and viruses? Question : (TCO 2) How is the information in a dichotomous key arranged? Question : (TCO 2) Bacterial cells with bound antibodies carrying dye are best observed with which type of microscope? Short Question/Answer: (TCO 2) A microbiologist wants to study the process of viral infection of animal cells. She wants to be able to see the viruses as they enter the cells. (a) What microscope would you suggest she use for these studies? Why? (5 pts.) (b) How should she prepare her samples for microscopy? (5 pts.) BIOS 242 Week 1 Quiz: MCQs & Short Answer (Version 2) Multiple Choice: Question. (TCO 1) Organisms whose cells are eukaryotic include which of the following? Question. (TCO 1) The swan-necked flasks of Pasteur’s experiments Question. (TCO 1) Which of the following is a practical application of the use of Saccharomyces cerevisiae? Question. (TCO 1) Which yeast species causes the most yeast infections in women? Question. (TCO 2) Which of the following statements is NOT true about endospores? Question. (TCO 2) Photosynthetic bacteria Question. (TCO 2) Which unit of measurement is used to measure intracellular organelles and viruses? Question. (TCO 2) Which of the following is typically used to affix a smear to the surface of a slide? Question. (TCO 2) Why is it difficult to stain an endospore? Question. (TCO 2) Bacterial cells with bound antibodies carrying dye are best observed with which type of microscope? Short Question/Answer: (TCO 2) A microbiologist just started a new job in a laboratory studying bacteria and viruses found in fecal samples. The laboratory has both a light microscope and an electron microscope. (a) How are these two types of microscopes similar? How are they different? (b) Give an example of when the microbiologist might use a light microscope in her studies and when she would need to use an electron microscope. BIOS-242 Week 2 Quiz: MCQs & Short Answer Multiple Choice: Question. (TCO 3) If you were trying to visualize flagella without staining, which microscope would you use? Question. (TCO 3) The microscope preferred for viewing living specimens is the _____ microscope. Question. (TCO 3) Which of the following staining procedures uses heat to drive the stain in? Question. (TCO 3) Carbolfuchsin is the _____ in the acid-fast stain. Question. (TCO 3) All of the following are associated with smear preparation except _____. Question. (TCO 4) A cell that uses an organic carbon source and obtains energy from light would be called a _____. Question. (TCO 4) A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n) _____. Question. (TCO 4) A fastidious organism ……. of media? Question. (TCO 4) During which growth phase are bacteria more susceptible to antimicrobial drugs? Question. (TCO 4) An organism that tolerates high _____ is called a halophile. Short Question/Answer: (TCO 4) Explain how aerobic organisms tolerate the presence of oxygen in their metabolic pathways despite its toxic properties. (Points : 10) BIOS-242 Week 3 Quiz: MCQs & Short Answer Multiple Choice: Question. (TCO 5) Anabolic reactions may be characterized as _____. (Points : 2) Question. (TCO 5) Enzymes known as lyases participate in _____ reactions. (Points : 2) Question. (TCO 5) Which of the following statements about fermentation is incorrect? (Points : 2) Question. (TCO 5) The metabolic processes called fermentation _____. (Points : 2) Question. (TCO 6) An aligned pair of homologous chromosomes is called a _____. (Points : 2) Question. (TCO 6) Study of fungus is called _____. (Points : 2) Question. (TCO 6) Lichens are composed of a symbiosis of fungi and which of the following? (Points : 2) Question. (TCO 7) During the intracellular state, a virus exists as _____. (Points : 2) Question. (TCO 7) Put the following stages of a lytic replication cycle in order from earliest to latest. Question. (TCO 7) How are prions different from all other known infectious agents? (Points : 2) Short Question/Answer: (TCO 5) Describe the mechanism of feedback inhibition and the role this process plays in controlling enzyme activity. (Points : 10) BIOS 242 Week 5 Quiz: MCQs Question : (TCO 9) Sebum is secreted by _____ and is used for _____. Question : (TCO 9) The complement system is involved in all the following except _____ Question : (TCO 9) The fluid called pus _____. Question : (TCO 9) Stem cells are undifferentiated. This means that _____. Question : (TCO 9) Mast cells release _____. Question : (TCO 9) Surface proteins can help scientists distinguish between _____. Question : (TCO 9) Sue fell while hiking, cutting her leg and hitting her head. She went to the ER, where she received a tetanus shot. Why did the nurse practitioner order the shot? Question : (TCO 9) The most prevalent type of antibody in the blood is _____. Question : (TCO 9) Becca has the flu……. body? Question : (TCO 9) Natural acquired passive immunity includes _____. BIOS-242 Week 6 Quiz: MCQs & Short Answer Question : Symbiotic microbes may be ____. Question : The common cold is classified as _____. Question : The vector responsible for transmission of malaria is the _____. Question : Which of the following statements is one of Koch’s postulates? Question : A disease that is continually and normally found in an area is described as _____. Question : The common name for a furuncle is _____. Question : Shingles, or herpes zoster, is caused by the same virus that causes _____. Question : Which of the following is the leading cause of meningitis in newborns? Question : Disseminated …….. the following? Question : Which of the following is characteristic of Yersinia pestis infections? Short Question/Answer: Discuss the two types of poliovirus vaccines available, including the advantages and disadvantages of each.