OpenStax Microbiology Test Bank Chapter 4 Prokaryotic Diversity(79 QUESTIONS AND ANSWERS)

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Home>Homework Answsers>Nursing homework helpOpenStax Microbiology Test Bank Chapter 4: Prokaryotic DiversityChapter 4: Prokaryotic DiversityCorrect answer Multiple Choice1. Which is the best example of a population?A. all the microbes living in a particular areaB. all the microbes of a particular domain living in a particular areaC. all the microbes of a single species living in a particular areaD. all the microbes living within the same hostDifficulty: Moderate ASM Standard: 202. Microbial ecology is defined as the study of which of the following?A. competitive interactions between microbesB. cooperative interactions between microbesC. interactions between individuals of a single speciesD. interactions between microbial populations and their environmentDifficulty: Easy ASM Standard: 203. Which term best describes the relationship between pathogenic bacteria and humans?A. amensalismB. commensalismC. parasitismD. predationDifficulty: Moderate ASM Standard: 234. Which of the following is not a class within the phylum Proteobacteria?A. AlphaproteobacteriaB. BetaproteobacteriaC. DeltaproteobacteriaD. OmegaproteobacteriaDifficulty: Easy ASM Standard: N/A5. Which of the following correctly characterizes Epsilonproteobacteria?A. They are atypical (not gram positive or gram negative).B. They are gram negative.C. They are gram positive.D. They are gram variable.Difficulty: Easy ASM Standard: 346. Which describes bacteria that require low concentrations of oxygen to survive (less than that in the current atmosphere)?A. facultative anaerobesB. microaerophilesC. obligate aerobesD. obligate anaerobesDifficulty: EasyASM Standard: 11, 227. Cyanobacteria produce which of the following?A. hydrogen sulfide gasB. large quantities of ammoniaC. oxygenD. sulfuric acidDifficulty: EasyASM Standard: 11, 228. Which of the following bacterial groups is thought to be most closely related to the last universal common ancestor?A. AlphaproteobacteriaB. cyanobacteriaC. deeply branching bacteriaD. green filamentous bacteriaDifficulty: Easy ASM Standard: 59. Which of the following is a phylum in Domain Archaea?A. CrenarchaeotaeB. DeinococcusC. MycoplasmaD. ThermotogaeDifficulty: Easy ASM Standard: 510. Which genus contains the nitrogen-fixing bacteria that live in legume nodules?A. BacillusB. EscherichiaC. RhizobiumD. VibrioDifficulty: Moderate ASM Standard: 11, 2411. Approximately what percentage of prokaryotes are thought to be pathogens?A. <1%B. 12%C. 26%D. 48%Difficulty: Moderate ASM Standard: 2312. Two species of bacteria live in near each other and use similar food resources. Which type of biological interaction does this describe?A. a competitive interactionB. a cooperative interactionC. a mutualistic interactionD. a parasitic interactionDifficulty: Moderate ASM Standard: 2313. Which of the following is a source of vitamin K for humans?A. Bacteroides thetaiotetraiotamicron digests foods, which release vitamin K.B. Escherichia coli in their digestive tract produces vitamin K.C. S. epidermidis releases vitamin K from dead cells.D. their diet onlyDifficulty: Moderate ASM Standard: 23, 2414. The human microbiome consists of which of the following?A. all microbes present on or in the bodyB. pathogenic microbes onlyC. resident microbes onlyD. transient microbes onlyDifficulty: Moderate ASM Standard: 2315. The most common bacterial genus found in plaque on teeth is which of the following?A. FusobacteriumB. HaemophilusC. LactobacillusD. StreptococcusDifficulty: Moderate ASM Standard: 2316. Who authored A Manual in Determinative Bacteriology, published in 1923?A. David BergeyB. Robert KochC. Barry Marshall and Robin WarrenD. Louis PasteurDifficulty: Moderate ASM Standard: N/A17. Which of the following cannot be classified as either gram positive or gram negative on the basis of the Gram staining protocol?A. BacillusB. EscherichiaC. MycoplasmaD. VibrioDifficulty: Moderate ASM Standard: N/A18. Bordetella pertussis is an example of which group of organisms?A. Cytophaga-Flavobacterium-BacteroidesB. high G+C bacteriaC. ProteobacteriaD. spirochetesDifficulty: Moderate ASM Standard: N/A19. Treponema pallidum, the causative agent of syphilis, is an example of which group of organisms?A. CFB groupB. planctomycetesC. proteobacteriaD. spirochetesDifficulty: Moderate ASM Standard: N/A20. Which of the following correctly describes the microscopic morphology of Bacteroides?A. gram-negative bacilliB. gram-negative cocciC. gram-positive bacilliD. gram-positive cocciDifficulty: Moderate ASM Standard: N/A21. Which best describes the metabolic activities of purple sulfur bacteria?A. They are capable of nitrogen fixation, fixing nitrogen gas into nitrates and ammonia.B. They are heterotrophic and break down organic compounds to obtain energy.C. They use light energy to oxidize hydrogen sulfide, producing sulfur and sulfuric acid.D. They use light energy to oxidize organic compounds such as sugars.Difficulty: Moderate ASM Standard: 1122. How do Archaea differ from Bacteria?A. Archaea are found exclusively in extreme habitats.B. Archaea have ether linkages in their cell membranes.C. Archaea have peptidoglycan cell walls.D. Archaea lack a nucleus.Difficulty: Moderate ASM Standard: 823. Which of the following correctly describes the metabolism of methanogens?A. They oxidize CO2.B. They oxidize H2S.C. They produce CH4.D. They produce N2 gas.Difficulty: Moderate ASM Standard: 1124. Which best describes Halobacterium salinarum?A. It is a type of methanogen.B. It is abundant in temperate environments.C. It is an example of the deeply branching bacteria.D. It is one of the oldest archaea.Difficulty: Moderate ASM Standard: 525. Which of the following is the correct classification for the methanogens?A. ArchaeaB. low G+C bacteriaC. ProteobacteriaD. spirochetesDifficulty: Moderate ASM Standard: 1126. Which best describes Crenarchaeota?A. aquatic archaea abundant in oceansB. aquatic bacteria abundant in oceansC. archaea that cause dental diseaseD. pathogenic bacteria that infect animalsDifficulty: Moderate ASM Standard: 1127. The LPSN refers to which of the following?A. a guide to bacterial identificationB. a list of approved bacterial namesC. a taxonomic key to aid identification of bacteriaD. an overview of current bacterial systematicsDifficulty: Difficult ASM Standard: N/A28. Which of the following is not a genus of Betaproteobacteria?A. BordetellaB. ChlamydiaC. LeptothrixD. ThiobacillusDifficulty: Difficult ASM Standard: N/A29. Which of the following bacterial genera is microaerophilic?A. BdellovibrioB. CampylobacterC. KlebsiellaD. PseudomonasDifficulty: DifficultASM Standard: 11, 20, 2230. Rhodospirillum, a genus capable of fixing nitrogen, is a type of which of the following?A. green nonsulfur bacteriaB. green sulfur bacteriaC. purple nonsulfur bacteriaD. purple sulfur bacteriaDifficulty: Difficult ASM Standard: 1131. Which genus, believed to be the deepest-branching archaeal genus, has flagella and is strictly anaerobic?A. MethanosarcinaB. PyrolobusC. SulfolobusD. ThermoproteusDifficulty: Difficult ASM Standard: 5, 2032. Which best describes the class Halobacteria?A. archaeans that require highly saline environmentsB. archaeans that require methane-rich environmentsC. bacteria that require highly arid environmentsD. bacteria that require highly saline environmentsDifficulty: Difficult ASM Standard: 2033. Methanobrevibacter oralis is an example of which type of organism?A. a bacterium that takes advantage of the conditions caused by immunosuppression, as can occur during cancer treatmentB. a pathogenic archaeanC. a pathogenic bacteriumD. an archaean that takes advantage of the conditions caused by periodontal disease to grow; may or may not affect disease progressionDifficulty: Difficult ASM Standard: 2334. A toga is which of the following?A. a structure produced by the fungus Tolypocladium inflatum that has medicinal usesB. an outer membrane found in a taxon within the deeply branching bacteriaC. an outer peptidoglycan layer found in a taxon within the proteobacteriaD. an unusual cell wall found in some archaeansDifficulty: Difficult ASM Standard: 8TO BE CONTINUED(35 TO 79)..............2 years agoReport issueOpenStax Microbiology Test Bank Chapter 4 Prokaryotic DiversityNOT RATEDPurchase the answer to view itOpenStaxMicrobiologyTestBankChapter4ProkaryoticDiversity.docxplagiarism checkPurchase $11.5

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