Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 3.L1, Problem 9MCQ
Summary Introduction
Introduction:
Magnification is the ability to make objects appear enlarged. It enables the ready observation of tiny life forms that cannot be seen with naked eyes, which is facilitated by microscopes. Magnification in most microscopes results from a complex interaction between visible light waves and the curvature of the lens.
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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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- The process that most accounts for magnification is a. a condenser c. illumination b. refraction of light rays d. resolutionarrow_forwardWhat is the fraction of light emitted by a fluorophore that will be transferred to the detector? A.20 à 30% B.40 à 50% C.5 à 10 % D.98 à 99%arrow_forwardThe primary difference between a TEM and SEM is in a. magnification capability b. colored versus black-and-white images c. preparation of the specimen d. type of lensesarrow_forward
- Match each microscope component with its description or function. 1. Objective 2. Ocular 3. Condenser 4. Diaphragm a. gathers light rays and focuses on object b. eyepiece c. magnifying element located on nosepiece d. disk with an opening that adjusts amount of light that contacts specimenarrow_forwardThe specimen for an electron microscope is always a. stained with dyes c. killed b. sliced into thin sections d. viewed directlyarrow_forwardThe acid fast technique is also known as: A. Ziehl-Neelsen stain B. Auramine-rhodamine stain C. Gerrard-Lampard Stain D. Kinyoun methodarrow_forward
- Paragraph 3. If the ocular lens on a microscope has a magnification of 20OX, what is the total magnification of: a. a scanning lens with magnification of 4X b. a low-power lens with a magnification of 1oX c. a high power lens with a magnification of 40X d. an oil-immersion lens with a magnification of 100X 4. Choose how the letter "R" will appear as viewed under a microscope. R B R As viewed with the naked eye b. a. P. 5. True/False a. Begin the focusing process with the high-power objective. b. Store the microscope with the oil-immersion objective in position. c. Use tissue d. The coarse adjustment knob can be used with any objective lens. раper and water to clean the ocular and objective lenses.arrow_forwardWhat is the proper method of cleaning the microscope? Select an answer. a. Change the magnification to the lowest power, clean the objective lens and ocular lens with lens paper b. Change the magnification to the highest power, clean the objective lens and ocular lens with lens paper c. Change the magnification to the lowest power, clean the objective lens and ocular lens with a paper towelarrow_forwardThe phase-contrast microscope is best suited for observing a. living organisms in an uncovered drop on a slide. b. stained slides with cover glasses. c. living organisms in hanging drop slide preparations. d. living organisms on a slide with a cover glassarrow_forward
- Larger plate height corresponds to which of the following? a. Higher resolution b. Lower resolution c. Slower separation d. Faster separationarrow_forwardExplain how total magnification is calculated. Select an answer. a. It is the magnification of the objective lens multiplied by the magnification of the condenser lens b. It is the magnification of the objective lens multiplied by the magnification of the ocular lens c. It is the magnification of the objective lens used d. It is the magnification of the ocular lens usedarrow_forwardWhich microscopy technique is BEST at determining the presence of physical microbial interaction(s)? a Light microscopy. b Scanning or transmission electron microscopy. c Fluorescent microscopy. d Phase contrast microscopy.arrow_forward
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