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8 Cards in this Set

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  • Back
What is the oh-so-popular cell theory?
All organisms, both unicellular and multicellular, are made up of cells. And Cells are the smallest units of life.
Compound Light Microscope
thin sliced and stained specimen is mounted on a glass slide to be viewed
How do you compute the total magnification of a microscope?
multiply the power of magnification of the lens being used BY the power of magnification of the ocular or eypiece lens.
ex.) 40 * 10 = 400x
Electron Microscope
used to view extremely small objects
more powerful than Light Microscope
What are two types of electron microscopes?
Transmission Electron Microscope (TEM) and Scanning Electron Microscope (SEM)
What are the similarities between TEM microscope and SEM microscope?
they cannot be used to view living specimens.
Projected to a photographic plate
Then what are the differences between TEM and SEM?
TEM is used to project internal details of a specimen, while SEM is used to project surface details of specimens.
SEM is 3 dimensional image
TEM can magnify more.
The theory of endosymbiosis?
comcept that mitochondria and chloroplasts are the result of years of evolution intiated by the endocytosis of bacteria and blue-green algae which, instead of becoming digested, became symbiotic.