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Test Bank for beckers world of the cell 10th Edition by Jeff Hardin
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Test Bank for beckers world of the cell10th Edition by Jeff Hardin
Cell definition - ANSthe basic unit of biology.
who is responsible for creating the term cell? what was his first specimen? - ANSrobert hooke,
cork
who is the originator of "the cell theory"? what year? - ANSTheodore Schwann, 1839
what are the first two rules of the cell theory according to Schwann? - ANS1. all organisms
consist of one or more cells.
2. The cell is the basic unit of structure for all organisms.
what was the third law added to the original cell theory post-creation? (Virchow's law) - ANSall
cells arise only from preexisting cells.
compound microscopes were created in the 1830s; what three major improvements were added
in comparison to basic microscopes? - ANS1. compound microscopes had two lenses
2. both magnification and resolution were improved.
3. structures only 1 micrometer in size could be seen clearly
using a compound microscope which scientist identified the nucleus? - ANSRobert brown
who concluded that all plant tissues are composed of cells? - ANSMatthias Schleiden
true or false: cytology deals primarily with cell membranes and observation using passive
technique - ANSfalse: cytology deals primarily with cell structure and observation using optical
techniques.
definition of biochemistry - ANSfocuses on cellular structure and function.
Genetics definition - ANSfocuses on information flow and heredity and includes sequencing of
the entire genome in numerous organisms.
genome definition - ANSThe genome is the full set of DNA found in an organism.
creator of the micrometer (ūm)? equivalent to 10^ ? - ANSDr. Greer, 10^-6
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