Microbiology with Diseases by Taxonomy - With Access
5th Edition
ISBN: 9780134578019
Author: BAUMAN
Publisher: PEARSON
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Chapter 4, Problem 6MC
Summary Introduction
Introduction:
In transmission electron microscope (TEM), an image is produced by the transmission of electrons. A dehydrated and thinly sliced specimen is used for this. Light microscope is made up of multiple lenses through which the light reaches the specimen.
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Chapter 4 Solutions
Microbiology with Diseases by Taxonomy - With Access
Ch. 4 - Prob. 1MCCh. 4 - A nanometer is ________ than a micrometer. a. 10...Ch. 4 - Prob. 3MCCh. 4 - Curved glass lenses _________ light. a. refract b....Ch. 4 - Prob. 5MCCh. 4 - Prob. 6MCCh. 4 - Which of the following types of microscopes...Ch. 4 - Prob. 8MCCh. 4 - Prob. 9MCCh. 4 - Prob. 10MC
Ch. 4 - If an objective magnifies 40 and each binocular...Ch. 4 - The type of fixation developed by Koch for...Ch. 4 - Immersion oil ________ (increases/decreases) the...Ch. 4 - Prob. 4FIBCh. 4 - Prob. 5FIBCh. 4 - Prob. 1VICh. 4 - Label the microscope.Ch. 4 - Prob. 1SACh. 4 - Critique the following definition of magnification...Ch. 4 - Prob. 3SACh. 4 - Prob. 4SACh. 4 - Prob. 5SACh. 4 - Give three characteristics of a specific epithet.Ch. 4 - Prob. 7SACh. 4 - Prob. 8SACh. 4 - Prob. 1CTCh. 4 - Prob. 2CTCh. 4 - Prob. 3CTCh. 4 - Prob. 4CTCh. 4 - Prob. 5CTCh. 4 - In what ways are the Gram stain and the acid-fast...Ch. 4 - Microbiologists have announced the discovery of...Ch. 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...Ch. 4 - Prob. 1TMWCh. 4 - Prob. 2TMWCh. 4 - Prob. 3TMWCh. 4 - Prob. 4TMWCh. 4 - Prob. 1EDCS
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- The resolving power of the microscope reveals: a. Whether or not oil is needed to see a microorganism. b. The maximum magnification possible with a particular objective. closely spaced objects to be seen clearly. c. Two closely spaced objects to be seen clearly. d. The magnification capacity of the microscope E.the amount of clearance between slide and objective lens.arrow_forwardAs with standard phase contrast microscopy,differential-interference contrast microscopy depends on differences in the ___________________ of a speciment to create high-contrast images. a. refractive index b. light absorption c. natural fluorescence d. walls and coverings e. natural pigmentationarrow_forwarda. Do you open both eyes or close one eye when viewing a specimen under a microscope? Why? Why not? b. In using a compound microscope, do you start with the low power objective (LPO) or the high power objective (HPO)? Why or Why not? c. When using 60X, do you it together with the coarse adjustment knob or fine adjustment knob? d. Why must you slowly turn the fine adjustment knob? e. Is natural light or is artificial light used when using the microscope?arrow_forward
- A phase-contrast microscope differs from a brightfield microscope by having a a. blue filter in the ocular lens. b. diaphragm with an annular stop. c. phase plate in the objective lens. d. Both (b) and (c) are correct. e. All are correct.arrow_forwardYou are trying to look at a specimen with a compound microscope using the 4x objective, but it is very dark. Mention three parts of the microscope you could adjust that would help see your specimen in this darkness. Explain how you would adjust those parts.arrow_forwardDyes are used to stain specimens that will be observed using the microscope to a. increase the magnification. b. increase resolution. c. increase contrast. d. make it visible. e. none of the above.arrow_forward
- Explain the differences that you have seen using types of microscopes such as scanning electron, low power, high power, and oil immersion.arrow_forwardIn light microscopy, when magnification is increased, the lens focuses closer to the sample. This makes the user more likely to ram the sample into the lens. Why is it common for the lens to focus closer to the sample at higher magnifications? What can be done to mitigate this risk?arrow_forwardBoth light and electron microscopy are commonly used to visualize cells, cell structures, and the location of specific molecules. Explain why a scientist may choose one or the other microscopy technique for use in research.arrow_forward
- It is desirable that the microscope objectives be parfocal because the specimen will be .................. a)blurry due to the changes in the refractive index of the medium b)stay in focus when the light is turned off c)have more contrast and enhanced details d)remain in focus if the magnification is changed e)none of the answer choicesarrow_forwardClinical Microscopy Label the parts & functions of a COMPOUND LIGHT MICROSCOPE How to set-up a microscope? What are the steps involved in using a microscopearrow_forwardThis type of microscope is use to study the detail in samples. It produces a three-dimensional image of the specimen.(a). Compound Light Microscope(b). Scanning Electron Microscope(c). Transmission Electron Microscope(d). Dissection Microscopearrow_forward
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