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 3.L2, Problem 4CT
Go back to section 1.2 and observe the six micrographs in figure 1.3. See if you can tell what kind of microscope was used to make the photograph, based on magnification and appearance.
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Write the term that the phrase describes. 1. Large knob that moves the stage or objective lens a great distance. Used with scanning or low-power objective lenses only. 2. Flat platform beneath the objective lens on which the microscope slide is placed. 3. Removable lenses that you look through to observe the microscope slide. 4. Small knob that moves the stage or objective lens a very small distance and is used for precision focusing. 5. Extends from the arm and contains the ocular lenses and rotating nosepiece. 6. Lens that condenses light through the specimen and is located below the stage. 7. Light from specimen passes through these lenses first. These lenses are located in the rotating nosepiece. 8. Wide bottom part that supports the microscope. 9. Regulates the amount of light passing through the condenser. 10. Vertical portion that connects the base to the head.
A lab revolving around compound microscopes was conducted. Please answer the following questions (questions 1, 2, and 3).
If a specimen (placed on a slide) has little or no color, what level of light intensity should you use; should the intenisty of the light be high or low (choose)?
Which objective should be in position before you start to focus the microscope?
Which focus knob should you use first with this objective?
Shown below are several micrographs (images from microscopes) that were taken using different microscopy techniques. Write down what method of microscopy was used and why you thought so. Choices for microscopy techniques are: Transmitted Light Microscopy (techniques of brightfield, phase-contrast, darkfield, DIC all fall under this), Fluorescence Microscopy, Scanning Electron Microscopy, and Transmission Electron Microscopy.
Chapter 3 Solutions
Foundations in Microbiology
Ch. 3.1 - Explain what unique characteristics of...Ch. 3.1 - Briefly outline the processes and purposes of the...Ch. 3.1 - Name the notable features of microorganisms that...Ch. 3.1 - In one sentence each, define what is involved in...Ch. 3.2 - Prob. 3ELOCh. 3.2 - Prob. 4ELOCh. 3.2 - Prob. 5ELOCh. 3.2 - Prob. 6ELOCh. 3.2 - Prob. 7ELOCh. 3.2 - Prob. 8ELO
Ch. 3.2 - Prob. 3CYPCh. 3.2 - Prob. 4CYPCh. 3.2 - Prob. 5CYPCh. 3.2 - Prob. 6CYPCh. 3.2 - Prob. 7CYPCh. 3.2 - Prob. 8CYPCh. 3.2 - Prob. 9CYPCh. 3.2 - Compare the way that the image is formed in the...Ch. 3.3 - Prob. 9ELOCh. 3.3 - Define dyes and describe the basic chemistry...Ch. 3.3 - Prob. 11ELOCh. 3.3 - Distinguish between simple, differential, and...Ch. 3.3 - Describe the process of Gram staining and how its...Ch. 3.3 - Prob. 11CYPCh. 3.3 - Explain what happens in positive staining to cause...Ch. 3.3 - Prob. 13CYPCh. 3.3 - For a stain to be considered differential, what...Ch. 3.3 - Prob. 15CYPCh. 3.4 - Prob. 14ELOCh. 3.4 - Prob. 15ELOCh. 3.4 - Explain what an isolated colony is and indicate...Ch. 3.4 - Differentiate between a pure culture, subculture,...Ch. 3.4 - What kinds of data are collected during...Ch. 3.4 - Prob. 19ELOCh. 3.4 - Prob. 16CYPCh. 3.4 - Prob. 17CYPCh. 3.4 - Prob. 18CYPCh. 3.4 - Compare and contrast three common laboratory...Ch. 3.4 - Describe how an isolated colony forms.Ch. 3.4 - Prob. 21CYPCh. 3.5 - Prob. 20ELOCh. 3.5 - Name the three general categories of media, based...Ch. 3.5 - Compare and contrast liquid, solid, and semisolid...Ch. 3.5 - Prob. 23ELOCh. 3.5 - Prob. 24ELOCh. 3.5 - Identify the qualities of enriched, selective, and...Ch. 3.5 - Explain what it means to say that microorganisms...Ch. 3.5 - Describe live media and the circumstances that...Ch. 3.5 - Describe the main purposes of media, and compare...Ch. 3.5 - Differentiate among the ingredients and functions...Ch. 3.5 - Explain the two principal functions of dyes in...Ch. 3.5 - Why are some bacteria difficult to grow in the...Ch. 3.5 - What conditions are necessary to cultivate viruses...Ch. 3.L1 - Prob. 1MCQCh. 3.L1 - Prob. 2MCQCh. 3.L1 - Prob. 3MCQCh. 3.L1 - Prob. 4MCQCh. 3.L1 - Prob. 5MCQCh. 3.L1 - Prob. 6MCQCh. 3.L1 - Resolution is _____________ with a longer...Ch. 3.L1 - Prob. 8MCQCh. 3.L1 - Prob. 9MCQCh. 3.L1 - The specimen for an electron microscope is always...Ch. 3.L1 - Motility is best observed with a a. hanging drop...Ch. 3.L1 - Prob. 12MCQCh. 3.L1 - Prob. 13MCQCh. 3.L1 - Prob. 14MCQCh. 3.L1 - What type of medium is used to maintain and...Ch. 3.L1 - Prob. 16MCQCh. 3.L1 - Multiple Matching. For each type of medium, select...Ch. 3.L1 - Prob. 1CSRCh. 3.L1 - Prob. 2CSRCh. 3.L1 - Prob. 3CSRCh. 3.L1 - Prob. 1WCCh. 3.L1 - Prob. 2WCCh. 3.L1 - Prob. 3WCCh. 3.L1 - Describe the steps of the Gram stain, and explain...Ch. 3.L1 - Describe the steps you would take to isolate,...Ch. 3.L1 - Prob. 6WCCh. 3.L1 - Evaluate the following preparations in terms of...Ch. 3.L2 - A certain medium has the following composition: a....Ch. 3.L2 - a. Name four categories that blood agar fits. b....Ch. 3.L2 - Prob. 3CTCh. 3.L2 - Go back to section 1.2 and observe the six...Ch. 3.L2 - Since the dyes for the Gram stain are not specific...Ch. 3.L2 - Examine figure 3.10a, b (shown here). If you...Ch. 3.L2 - Prob. 2VC
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