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What is the primary advantage of phase-contrast microscopy?
What is the primary advantage of phase-contrast microscopy?
- It produces images with a three-dimensional aspect.
- It enables the study of living, unstained cells and tissues. (correct)
- It allows for the examination of stained and fixed cells.
- It enhances the optical density of cellular structures.
What principle is phase-contrast microscopy based on?
What principle is phase-contrast microscopy based on?
- The refraction of light through cellular structures with different refractive indices. (correct)
- The absorption of light by cellular pigments and dyes.
- The polarization of light as it passes through the specimen.
- The fluorescence emission of specific cellular components.
Which statement about phase-contrast microscopy is NOT true?
Which statement about phase-contrast microscopy is NOT true?
- It requires the use of special staining techniques. (correct)
- It produces images from transparent objects.
- It is a prominent tool in cell culture laboratories.
- It can be used to study unstained tissue sections.
What is the purpose of differential interference contrast microscopy with Nomarski optics?
What is the purpose of differential interference contrast microscopy with Nomarski optics?
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Which microscopic technique is NOT mentioned in the text?
Which microscopic technique is NOT mentioned in the text?
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What is the main limitation of phase-contrast microscopy mentioned in the text?
What is the main limitation of phase-contrast microscopy mentioned in the text?
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What type of specimens are typically studied using phase-contrast microscopy?
What type of specimens are typically studied using phase-contrast microscopy?
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