Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
1st Edition
ISBN: 9780133857122
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Question
Chapter 4, Problem 3SA
Summary Introduction
To answer:
To find out the reason for the statement, that only dead organisms can be viewed in an electron microscope.
Introduction:
The electron microscope uses a beam of electrons and creates a specimen image. It has higher magnifications and resolving power that allows seeing smaller objects in fine detail. It gives a detailed view of microorganisms such as bacteria, viruses, cellular structures, and some molecules and atoms. The electron microscope are classified into two general types, namely transmission electron microscope and scanning electron microscope.
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Chapter 4 Solutions
Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
Ch. 4 - Prob. 1TMWCh. 4 - Why is a Gram-negative bacterium colorless but a...Ch. 4 - Why didnt Linnaeus create taxonomic groups for...Ch. 4 - Necrotizing Fasciitis Fever, chills, nausea,...Ch. 4 - Why is magnification high and color absent in an...Ch. 4 - Prob. 1MCCh. 4 - Prob. 2MCCh. 4 - Prob. 3MCCh. 4 - Curved glass lenses _________ light. a. refract b....Ch. 4 - Prob. 5MC
Ch. 4 - Prob. 6MCCh. 4 - Prob. 7MCCh. 4 - Prob. 8MCCh. 4 - Prob. 9MCCh. 4 - In the binomial system at nomenclature, which term...Ch. 4 - Prob. 1FIBCh. 4 - Prob. 2FIBCh. 4 - Prob. 3FIBCh. 4 - Fill in the Blanks 4. ___________ refers to...Ch. 4 - Fill in the Blanks 5. Cationic chromophores such...Ch. 4 - Prob. 1VICh. 4 - Label the microscope.Ch. 4 - Prob. 1SACh. 4 - Critique the following definition of magnification...Ch. 4 - Prob. 3SACh. 4 - Put the following substances in the order they are...Ch. 4 - Prob. 5SACh. 4 - Prob. 6SACh. 4 - Prob. 7SACh. 4 - Prob. 8SACh. 4 - Miki came home from microbiology lab with green...Ch. 4 - Why is the definition of species as successfully...Ch. 4 - With the exception of the discovery of new...Ch. 4 - Prob. 4CTCh. 4 - Prob. 5CTCh. 4 - In what ways are the Gram stain and the acid-fast...Ch. 4 - Prob. 7CTCh. 4 - Prob. 8CTCh. 4 - Why is the genus name Coccus placed within...Ch. 4 - A clinician obtains a specimen of urine from a...Ch. 4 - Using the following terms, fill in the following...
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- Why would specimens viewed with a compound microscope be thin and/or chemically cleared?arrow_forwardWhat are the advantages and disadvantages of light, transmission, and scanning electron microscopes?arrow_forwardWhat is a micrometer (μm )? Is it really possible to see microbes with this dimension using Leeuwenhoek’s “primitive” microscopes?arrow_forward
- Which Two types of electron microscopy are in routine use in microbiology? Explainarrow_forwardWhat are the different magnifications of an ordinary light microscope?arrow_forwardAssume you are observing the diatom pictured in Figure 1 using the 10X lens in a compound light microscope. You move to the 40X lens and then again to the 100X lens by only rotating the turret (remember that the lenses are parfocal), without making any other adjustments to the microscope. At 100X you are unable to see the diatom. Explain why. Explain what correction (s) should be made to allow you to see the diatom using the 100X lens. After making your adjustments, you notice that the midline of the diatom is in focus while the remainder is blurry. Explain, based on microscopy principles, why this has occurred.arrow_forward
- The girl is focusing a slide and she is moving the stage up toward the slide. a) What has happened to the slide? b) Is this the proper way to focus? c) Should you focus by moving stage up or down? d) What happens to a microscope i' place at the edge? e) What should you do to prevent this from happening.arrow_forwardwhat kind of microscope is used for cellular structure and why?arrow_forwardWhy do we stain some organisms before viewing them under a microscope? (see top of p 14)arrow_forward
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