Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7.6, Problem 22CYP
22. What is microbial growth? Explain the stages in the bacterial cell cycle and binary fission.
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What is microbial growth? Explain the stages in the bacterial cellcycle and binary fission.
20. Bacterial spores function in bacterial reproduction .
a) Trueb) False
10. If a bacterial culture is started with 50 cells, what will be the cell number after four generations? Assuming there was no cell death.
a) 100
b) 200
c) 400
d) 800
Chapter 7 Solutions
Foundations in Microbiology
Ch. 7.1 - 1. Describe the major environmental factors to...Ch. 7.1 - 2. Define nutrition and nutrients and their...Ch. 7.1 - 3. Differentiate between organic and inorganic...Ch. 7.1 - Prob. 4ELOCh. 7.1 - Prob. 1CYPCh. 7.1 - Prob. 2CYPCh. 7.1 - 3. List the general functions of the essential...Ch. 7.1 - 4. Define growth factors and metallic ions with...Ch. 7.2 - 5. Describe the main categories of nutritional...Ch. 7.2 - 6. Distinguish different types of autotrophs and...
Ch. 7.2 - Prob. 7ELOCh. 7.2 - 5. Compare autotrophs and heterotrophs with...Ch. 7.2 - 6. Describe the nutritional strategy of two types...Ch. 7.2 - Prob. 7CYPCh. 7.2 - Prob. 8CYPCh. 7.3 - 8. Describe the basic factors in diffusion and...Ch. 7.3 - Prob. 9ELOCh. 7.3 - 10. Analyze adaptations microbes make in response...Ch. 7.3 - Prob. 11ELOCh. 7.3 - 9. Compare and contrast passive and active forms...Ch. 7.3 - Prob. 10CYPCh. 7.3 - 11. Explain the differences between facilitated...Ch. 7.3 - 12. Compare the effects of isotonic, hypotonic,...Ch. 7.4 - 12. Differentiate between habitat and niche.Ch. 7.4 - 13. Describe the range of temperatures a microbe...Ch. 7.4 - Prob. 14ELOCh. 7.4 - Prob. 15ELOCh. 7.4 - Prob. 16ELOCh. 7.4 - Prob. 17ELOCh. 7.4 - Prob. 13CYPCh. 7.4 - Prob. 14CYPCh. 7.4 - 15. Explain what it means to be an obligate...Ch. 7.4 - 16. Where in the body are anaerobic habitats apt...Ch. 7.4 - Prob. 17CYPCh. 7.5 - 18. Outline the types of associations among...Ch. 7.5 - Prob. 19ELOCh. 7.5 - Prob. 20ELOCh. 7.5 - Prob. 21ELOCh. 7.5 - Prob. 22ELOCh. 7.5 - Prob. 18CYPCh. 7.5 - Prob. 19CYPCh. 7.5 - Prob. 20CYPCh. 7.5 - 21. Relate several advantages to communication...Ch. 7.6 - Prob. 23ELOCh. 7.6 - 24. Describe the process of population growth and...Ch. 7.6 - 25. Explain the stages in the population growth...Ch. 7.6 - Prob. 26ELOCh. 7.6 - 22. What is microbial growth? Explain the stages...Ch. 7.6 - 23. Why is growth called exponential? What causes...Ch. 7.6 - 24. Contrast two different methods of detecting...Ch. 7.6 - 25. Explain the relationship between colony counts...Ch. 7.L1 - 1. An organic nutrient essential to an...Ch. 7.L1 - Prob. 2MCQCh. 7.L1 - 3. An organism that can synthesize all its...Ch. 7.L1 - Prob. 4MCQCh. 7.L1 - Prob. 5MCQCh. 7.L1 - 6. Which of the following substances are required...Ch. 7.L1 - 7. A pathogen would most accurately be described...Ch. 7.L1 - Prob. 8MCQCh. 7.L1 - Prob. 9MCQCh. 7.L1 - Prob. 10MCQCh. 7.L1 - Prob. 11MCQCh. 7.L1 - 12. Which of the following is not involved in...Ch. 7.L1 - 13. Superoxide ion is toxic to strict anaerobes...Ch. 7.L1 - Prob. 14MCQCh. 7.L1 - 15. In a viable plate count, each ____ represents...Ch. 7.L1 - 16. The stage in population growth with the...Ch. 7.L1 - Prob. 1CSRCh. 7.L1 - Prob. 2CSRCh. 7.L1 - Prob. 3CSRCh. 7.L1 - Prob. 1WCCh. 7.L1 - Prob. 2WCCh. 7.L1 - Prob. 3WCCh. 7.L1 - Prob. 4WCCh. 7.L1 - 5. a. What biochemical events in quorum sensing...Ch. 7.L1 - 6. Explain what is happening to the population at...Ch. 7.L1 - Prob. 7WCCh. 7.L2 - 1. a. Is there a microbe that could grow on a...Ch. 7.L2 - 2. Describe how one might determine the nutrient...Ch. 7.L2 - 3. Patients with ketoacidosis associated with...Ch. 7.L2 - Prob. 4CTCh. 7.L2 - 5. Provide some suggestions for treating anaerobic...Ch. 7.L2 - Prob. 6CTCh. 7.L2 - Prob. 7CTCh. 7.L2 - Prob. 8CTCh. 7.L2 - 9. Describe the similarities and differences...Ch. 7.L2 - 1. Place appropriate points on the axes and draw...Ch. 7.L2 - Prob. 2VC
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- 1. In the bacterial growth curve, explain what actually happens in the “stationary phase.” Are the microorganisms suspended in animation? Therefore, producing a constant number? Yes or No. Briefly justify in 50 words or less.arrow_forward1. Illustrate the cell envelope for gram-negative and gram-positive bacteria.arrow_forward4) Draw a typical bacterial growth curve. Label the stages of growth and the axis of the graph.arrow_forward
- Describe each phase of the BACTERIAL GROWTH CURVE (explain what happens, give the cells characteristics…).arrow_forwardExplain the statement that both types, bacteria and archaea, have the same basic structures, but built from different chemical components.arrow_forwardDescribe briefly how you would detect the presence of a non-culturable prokaryote in an environmental sample.arrow_forward
- 1. What component of bacterial cells helps to combat/regulate osmotic forces? 2. What are Koch’s postulates? What are they used for? 3. Explain the process of endospore formation in endospore-producing organisms. 4. What are the major components of the bacterial & eukaryotic cell? 5. What is/are a pilus/pili and what do microbes use them for? 6. What is the prokaryotic flagellum made up of?arrow_forwardList the phases of the bacterial growth curve and describe both the condition of the environment and what is happening with the population of cells.arrow_forwardDiagram and define the four phases of a bacterial growth curve. Describe in detail what is happening to cells at each phase.arrow_forward
- 13. A certain bacteria can grow 10-fold every 3 hours. If there are 500 bacteria now, express number of bacteria "n" as a function of elapsed time in hours. a) Determine the equation of bacteria growth as a function of time. b) Draw a chart with intervals of 3 hours, where 0 Shs 18.arrow_forward1. What is host resistance in bacteria? 2. What is gram staining technique? 3. Difference between lysosomes and peroxisomes. 4. What are microtubules in cell? 5. Define endoplasmic reticulum, mitochondria, cytoskeleton, ribosomes, vesicles, golgi apparatus, chloroplasts, vacuole, pili and fimbriae, transcription, plasma membrane, cytoplasm, DNA 6. Meaning of primitive cells.arrow_forward210 220 230 240 250 260 270 280 290 300 310 320 41 42 43 44 45 460 470 48 49 50 51 As discussed in lab and lecture, Endospores serve an im cells. A) What is the purpose of an endospore? B) Explain the endospores relationship to reproduction. C) What procedure would you use to test for them in lab? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph A & B ¶ BAX 安田图 † {} I ¶ T< 20°F V Arial XQ5d - ABC V 10 == ΠΩ Click Save and Submit to save and submit. Click Save All Answers to saarrow_forward
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