INTRODUCTION TO MICROSCOPY CELL BIOLOGY
LIGHT MICROSCOPY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Samples for light microscopy often need to be stained because ____
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many biological specimens are uncoloured
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come scientists are colourblind
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it looks pretty
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it helps improve magnification
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Explanation:
Detailed explanation-1: -Staining is used in bright-field microscopy and not in electron microscopy because this type of microscopy provides a contrast that is based on the density of the organic substances within the specimen to be observed.
Detailed explanation-2: -Bright field microscopy is not only the simplest type of light microscopy but also the type that most people are familiar with, utilizing ordinary light to examine stained tissue at high magnification.
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