MCB 2289LMicro LearnSmart Module 11 Final .

When is it crucial to wear protective eyewear when working in the lab? Which statement correctly describes the level of contamination on different objects? Phenol red carbohydrate broths with Durham tubes can detect all of the following EXCEPT 1. The internationally recognized reference for bacterial classification and identification is called Bergey's Manual 2. All of the following are methods that can be used to isolate bacteria from a mixed culture EXCEPT? 3. Before attempting to identify an unknown bacterial species, the organism must be isolated in a pure culture. All of the following are common to all cells at some point in their development EXCEPT: 4. In addition to linking together nucleotides to synthesize a daughter strand, DNA polymerase also 5. Which of the following sequences would result from the replication of the following DNA sequence: ATTGCTGGA 6. The process of forming mRNA from the template strand of DNA is called Which of the following is a chemical means of controlling microbial growth? 7. An antimicrobial, such as isoniazid, that is only effective against mycobacterial species would be referred to as a drug. 8. When a large zone of no growth is found around an antibiotic disc being used for identification purposed, this generally means that the microbe is to the antibiotic. Which organelle is involved in the packaging of proteins for secretion? Microorganisms can be described as being ubiquitous which means that they: 9. A hypertonic solution is prepared by the addition of sucrose. Which of the following would happen to bacteria placed in this solution: Immersion oil must only be used with which objective lens? Which of the following items would be disposed of into the sharps container? The smallest living units of the human body are . 10. A pure culture contains 11. Which carbohydrate is the primary or preferred starting compound for glycolysis and the fermentation pathway? The cloudy growth seen in a broth culture is referred to as Stains are commonly used for all of the following EXCEPT 12. Human skin provides an environment with NaCl levels slightly above that of most bacterial cells. Which organism would most likely be found on the skin? 13. All of the following are true of an enzyme-catalyzed reaction EXCEPT? Eukaryotes have membrane-bound organelles The sources of all antimicrobial drugs are fungi and other microorganisms. All of the following are found in most prokaryotic cells EXCEPT In living organisms, information for making proteins flows from ? 14. The term aerobic, anaerobic, and microaerophilic are used to categorize microorganisms based on their requirements. 15. How is a glass culture tube handled during aseptic transfers? All of the following organisms are expected to grow within an anaerobe jar EXCEPT Catalase breaks hydrogen peroxide down in water and carbon dioxide 16. The ability to distinguish fine detail or discriminate between two very closely spaced objects is called: 17. red test will be red, indicating a positive result. 18. How is a respirometer used to measure fermentation in the Cellular Respiration experiment? 19. Gram negative cells appear purple after Gram staining whereas gram positive cells appear pink 20. In the Gram stain, the chemical that fixes dye in or on cells by forming an insoluble compound in referred to as the ? 21. When first viewing a specimen using the brightfield microscope, it is recommended that you begin viewing the specimen with which objective lens? 22. Which of the following is true of a bacterial species that produces dark colonies when grown on MacConkey agar 23. An organism has been shown to produce hydrogen sulfide and indole in its metabolism. These are examples of characteristics that can be helpful in the identification of the microorganism. The monomers that make up DNA molecules are called ? 24. An antibiotic which interferes with the activity of ribosomes would have the most effect on which of the following? 25. The purpose of heat fixation is to . All of the following body sites normally have large numbers of resident microbiota EXCEPT? 26. OWhich test uses a medium that is both selective and differential for members of the genus Staphylococcus? Which type of reaction(s) requires oxygen as a substrate? Which of the following processes removes or destroys endospores? Most human pathogens are classified as thermophiles. Which of the following diseases are caused by acid-fast bacterium: