BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 4, Problem 27CTQ
In what situation(s) would a transmission electron microscope be ideal, and why?
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What are the differences and similarities between Transmission Electron Microscope (TEM) and Scanning Electron Microscope (SEM). Please explain in detail.
The magnification possible with any type of microscope is an important property, but its resolution, the ability to distinguish between two very closely apposed objects, is even more critical. Describe why the resolving power of a microscope is more important for seeing finer details than its magnification.
Why does an electron microscope have a higherresolution, or greater resolving power, than a lightmicroscope?
Chapter 4 Solutions
BIOLOGY 2E
Ch. 4 - Figure 4.7 Prokaryotic cells are much smaller than...Ch. 4 - Figure 4.8 If the nucleolus were not able to carry...Ch. 4 - Figure 4.18 If a peripheral membrane protein were...Ch. 4 - When viewing a specimen through a light...Ch. 4 - The is the basic unit of life organism cell tissue...Ch. 4 - Prokaryotes depend on to obtain some materials and...Ch. 4 - Bacteria that lack fimbriae are less likely to...Ch. 4 - Which of the following organisms is a prokaryote?...Ch. 4 - Which of the following is surrounded by two...Ch. 4 - Peroxisomes got their name because hydrogen...
Ch. 4 - In plant cells, the function of the lysosomes is...Ch. 4 - Which of the following is both in eukaryotic and...Ch. 4 - Tay-Sachs disease is a genetic disorder that...Ch. 4 - Which of the following is not a component of the...Ch. 4 - The process by which a cell engulfs a foreign...Ch. 4 - Which of the following is most likely to have the...Ch. 4 - Which of the following sequences correctly lists...Ch. 4 - Congenital disorders of glycosylation are a...Ch. 4 - Which of the following have the ability to...Ch. 4 - Which of the following do not play a role in...Ch. 4 - In humans, are used to move a cell within its...Ch. 4 - Which of the following are only in plant cells?...Ch. 4 - The key components of desmosomes are cadherins...Ch. 4 - Diseased animal cells may produce molecules that...Ch. 4 - In your everyday life, you have probably noticed...Ch. 4 - In what situation(s) would the use of a scanning...Ch. 4 - In what situation(s) would a transmission electron...Ch. 4 - What are the advantages and disadvantages of each...Ch. 4 - Explain how the formation of an adult human...Ch. 4 - Antibiotics are medicines that are used to fight...Ch. 4 - Explain why not all microbes are harmful.Ch. 4 - You already know that ribosomes are abundant in...Ch. 4 - What are the structural and functional...Ch. 4 - Why are plasma membranes arranged as a bilayer...Ch. 4 - In the context of cell biology, what do we mean by...Ch. 4 - In your opinion, is the nuclear membrane part of...Ch. 4 - What are the similarities and differences between...Ch. 4 - How do cilia and flagella differ?Ch. 4 - Describe how microfilaments and microtubules are...Ch. 4 - Compare and contrast the boundaries that plant,...Ch. 4 - How does the structure of a plasmodesma differ...Ch. 4 - Explain how the extracellular matrix functions.Ch. 4 - Pathogenic E. coil have recently been shown to...
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- If I also observe something let's say if I was I was 50 nm inside which microscope would you recommend me using? In the image is that the correct answer to the questionarrow_forwardwhat are two advantages and disadvantages of electron microscopes?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
- Part A: Observing a Wet Mount Slide Without using a Microscope color wheel Low Power ( How does A) to the right B) to the left color wheel High Power ( appear to move when you move the slide in the following directions? C) away from you D) toward you Observations: 1. How does the appearance of f change in going from low power to high power? 2. Describe the image of as it compares to the actual letter on the paper. 3. What happens to the field of view when you go from low power to high power?arrow_forwardCareless Kris is using the microscope for the first time to look at cells and breaks a slide at high power. Explain to Kris the correct order of which objects lenses and focus knobs to use at each step when focusing a microscope from start to finish (hgih power).arrow_forwardcan you discuss the best practices to obtain an image of good quality in microscope?arrow_forward
- Define scanning electron microscope (SEM)arrow_forwardExplain the physical foundations of the operation of an electron microscopearrow_forwardFill in table 1 below for the characteristics of your microscopes. Table 1- Characteristics of the microscope Low Power (Dry) High Power (Immersion Oil) Features Medium Power (Dry) Focal length (mm) Working distance (mm) Linear Magnification (X) Numerical aperture (N.A.) Diameter of front lens (mm)arrow_forward
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