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BIOLOGY 206 - OpenStax Microbiology Test Bank Chapter 9: Microbial Growth 100% CORRECT ANSWERS
- Course
- BIOLOGY 206
- Institution
- St. Clair County Community College
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IOLOGY 206 - OpenStax Microbiology Test Bank Chapter 9: Microbial Growth 2023 100% PASS Bio 235 Worksheet Chapter 9: Microbial Growth Multiple Choice 1. Bacteria most commonly reproduce using which of the following methods? A. binary fission B. budding C. meiosis D. mitosis 2. Which structure separates new daughter cells in binary fission? A. the crescent B. the division septum C. the FtsZ D. the spindle apparatus 3. Which of the following is another term for generation time? A. doubling time B. growth rate C. mitotic index D. replication index 4. Which of the following is the correct order of phases of growth in the growth curve of a batch culture? A. death/decline phase → lag phase → log phase → stationary phase B. lag phase → log phase → stationary phase → death/decline phase C. log phase → lag phase → stationary phase → death/decline phase D. stationary phase → log phase → lag phase → death/decline phase 5. Which of the following is not a common way bacteria divide? A. binary fission B. budding C. fragmentation D. sporulation 6. Which of the following best describes FtsZ? A. a cytoskeletal protein in eukaryotic cells B. the protein that assembles the Z ring, which forms a divisome before division by binary fission C. the protein that forms within the central structure of the new cell wall and septum that separates the daughter cells during binary fission D. the protein that gives structure to spirochetes, contributing to their unusual shape and motility 7. Which microbial pathogen has an unusually long doubling time? A. Bacillus subtilis B. Escherichia coli C. Mycobacterium leprae D. Salmonella typhimurium 8. The initial cells added to a batch culture are called which of the following? A. the batch B. the culture C. the inoculum D. the lagging cells 9. Which best describes bacterial growth during the log phase of the growth curve? A. exponential B. linear C. S-shaped D. stationary 10. Which type of system is used to maintain bacteria in a relatively constant environment, allowing them to stay in the log phase of growth? A. bacteriostat B. chemostat C. maintenance state D. stable state 11. Which of the following is an indirect method of measuring numbers of bacterial cells? A. a Coulter counter B. a Petroff -Hausser chamber C. microscopic cell count D. turbidity measurements 12. Which of the following is not a common step in preparing a pour plate to make a count of microbial numbers? A. A serial dilution is performed. B. Bacteria are spread across the agar, using a sterile spreader. C. Bacteria are mixed with warm agar and poured onto a Petri plate, then swirled. D. The sample is allowed to grow, then colonies are counted.The benefits of buying summaries with Stuvia:
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