EBK BROCK BIOLOGY OF MICROORGANISMS
15th Edition
ISBN: 8220103633352
Author: Stahl
Publisher: PEARSON
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Textbook Question
Chapter 1.5, Problem 1MQ
- Define the terms magnification and resolution.
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Explain the difference between resolution and magnification.
Explain the difference between resolution and magnification.
Indicate how the resolving power is determined and howresolution affects image visibility.
Chapter 1 Solutions
EBK BROCK BIOLOGY OF MICROORGANISMS
Ch. 1.1 - In what ways are microorganisms important to...Ch. 1.1 - Why are microbial cells useful for understanding...Ch. 1.1 - What is a microbial colony and how is one formed?Ch. 1.1 - What are bacterial colonies and how are they...Ch. 1.2 - What structures are universal to all types of...Ch. 1.2 - Prob. 2MQCh. 1.2 - What structures can be used to distinguish between...Ch. 1.2 - Prob. 1CRCh. 1.3 - How old is Earth and when did cells first appear...Ch. 1.3 - Prob. 2MQ
Ch. 1.3 - Why were cyanobacteria so important in the...Ch. 1.3 - Prob. 1CRCh. 1.4 - Prob. 1MQCh. 1.4 - Prob. 2MQCh. 1.4 - Prob. 3MQCh. 1.4 - Prob. 1CRCh. 1.5 - Define the terms magnification and resolution.Ch. 1.5 - Prob. 2MQCh. 1.5 - Prob. 1CRCh. 1.6 - Prob. 1MQCh. 1.6 - Prob. 2MQCh. 1.6 - How can cells be made to fluoresce?Ch. 1.6 - Prob. 1CRCh. 1.7 - Prob. 1MQCh. 1.7 - Prob. 2MQCh. 1.7 - Prob. 1CRCh. 1.8 - Prob. 1MQCh. 1.8 - Prob. 2MQCh. 1.8 - Prob. 1CRCh. 1.9 - Prob. 1MQCh. 1.9 - Prob. 2MQCh. 1.9 - Besides ending the controversy over spontaneous...Ch. 1.9 - Explain the principle behind the Pasteur flask in...Ch. 1.10 - How do Kochs postulates ensure that cause and...Ch. 1.10 - What advantages do solid media offer for the...Ch. 1.10 - Prob. 3MQCh. 1.10 - Prob. 1CRCh. 1.11 - What is meant by the term enrichment culture?Ch. 1.11 - Prob. 2MQCh. 1.11 - What were the major microbiological interests of...Ch. 1.12 - Describe the experiments that proved DNA was the...Ch. 1.12 - Why are microbial cells useful tools for basic...Ch. 1.12 - Describe the experiments that proved DNA to be the...Ch. 1.13 - What kinds of evidence support the three-domain...Ch. 1.13 - What is a phylogenetic tree?Ch. 1.13 - List three reasons why rRNA genes are suitable for...Ch. 1.13 - What insights led to the reconstruction of the...Ch. 1.14 - How are viruses different from Bacteria, Archaea,...Ch. 1.14 - What four bacterial phyla contain the most...Ch. 1.14 - Prob. 3MQCh. 1.14 - What features (or lack of features) can be used to...Ch. 1 - Pasteurs experiments on spontaneous generation...Ch. 1 - Describe the lines of proof Robert Koch used to...Ch. 1 - Imagine that all microorganisms suddenly...
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- Define each of the following terms: A) What is resolution and how is resolution related to the wavelength of light used to illuminate the sample? B) What is the magnification of the specimen if you are using a 40x objective and a 10x eyepiece? C) How is the numerical aperture (NA) of a lens related to its ability to gather light from a specimen?arrow_forwardIdentify examples of biological magnifi cation.arrow_forwarddescribe how the field diameter changes when magnification is increasedarrow_forward
- Differentiate between the concepts of magnifi cation, refraction, and resolution and explain how they contribute to the clarity of an image.arrow_forwardDIRECTION: 1) ILLUSTRATE THE SPECTROPHOTOMETRIC WORKFLOW PROCESS STARTING FROM THE LIGHT SOURCE UP TO THE READ-OUT DEVICE. MAKE SURE TO LABE COMPLETELY.arrow_forwardAnswer the following questions: 1. Give the general steps in the use of a spectrophotometer. 2. Define the following: a. ) Optical Density b.) Transmittance c.) Beer's Lawarrow_forward
- Contrast the concepts of magnification, refraction, and resolution.arrow_forwardIn spectrophotometry, what is the role of the green background in the set-up? What does it represent in the actual spectrophotometer?arrow_forwardExplain why an image must be centered in the field of view when using low power before moving to a high power magnification.arrow_forward
- Indicate how the resolving power is determined and how resolution aff ects image visibility.arrow_forwardExplain the difference between a transmission electronmicrograph (TEM) and a scanning electron micrograph (SEM)arrow_forwardWhy should the “Bulls-Eye” pattern be followed when increasing magnification?arrow_forward
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