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microscopes that do not rely on light to produce images. They are used to study the internal structure of cells and the organelles themselves.
microscopic canals running longitudinally through compact bone tissue that contain blood vessels...
the process whereby useful molecules, such as glucose and amino acids, as well as water and...
is the gaining of a plant's ability to flower or germinate in the spring after exposure to the...
unable to notice or respond to things that you would usually be aware of through your senses....
a social structure in which different classes are determined by heredity.