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Cara's Biology Flash Cards
Study for High School Biology
37
Biology
10th Grade
09/23/2009

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Term
A photograph taken through a microscope.
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What does our understanding of nature often parallel?
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Microscopes were first used in the _______________ century.
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_______________ is the type of microscope that works by passing visible light through a specimen, such as a microorganism or a thin slice of animal or plant tissue.
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How does a light microscope make an image
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________________ is the increase in the apparent size of an object.
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What does LM 1,000x next to figure 4.1B tell you about the micrograph?
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What would happen to the image of the Euglena in figure 4.1B if it were magnified further?
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_______________ is a measure of the clarity of an image.
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_______________ is the ability of an optical instrument to show two close objects as separate.
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The human eye cannot resolve details finer than _______________ mm.
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Light microscopes can be used to view objects as small as the smallest _______________.
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_______________ is the man who discovered cells.
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What had scientists seen with their crude microscopes up through the middle of the 20th century?
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_______________ states that all living organisms are composed of cells and that all cells come from preexisting cells.
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_______________ is the type of microscope invented in the 1950's.
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_______________ is the microscope which uses a beam of electrons to make an image.
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Why are electron microscopes superior to light microscopes?
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How much magnification do electron microscopes have?
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_______________ is the type of electron microscope used to study the detailed 3-D architecture of cell surfaces .
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How does an SEM capture an image?
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_______________ is the type of electron microscope used to study the details of internal cell structure.
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How are specimens prepared for viewing under a TEM?
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How does a TEM capture an image?
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Electron microscopes use _______________ as lenses
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Why are TEM and SEM black and white micrographs often artificially colored?
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Why is it impossible to view living specimens with an electron microscope?
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_______________ is the optical technique which amplifies differences in density while allowing living cells to be examined.
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How is fluorescence and confocal microscopy of cells done?
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_______________ are the smallest cells.
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_______________ are the bulkiest cells.
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_______________ are the longest human cells.
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Plant and animal cells are usually _______________ (this much) bigger than bacterial cells
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What are logistics that determine a cell's minimum size?
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What are the logistics which determine a cell's maximum size?
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What advantage is there for large cells?
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what is the drawback to being a large cell?
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