Unit 3 Quiz 1
The electron microscope was invented in Germany during the 1930's by _____.
Max Knott and Ernst Ruska
monocular
single body tube
_____ was/were the first to carefully document observations of blood cells, sperm cells, and other microorganisms
Anton van Leeuwenhoek
Very little has changed in the structure of light microscopes since the 1840's, when an American, _____, was able to significantly improve the quality of the magnified images with his microscopes.
Charles Spencer
_____, sixteenth century eyeglass maker(s), experimented with glass lenses and a tube and found that objects could be magnified greatly.
Hans and Zaccharias Janssen
resolving power
ability to tell two points apart
second
body tube
fifth
coverslip
The cellular material outside the nucleus is called the _____.
cytoplasm
ocular lens
lens found in the eyepiece
optical microscope
magnifies an object using light and lenses
electron microscope
magnifies using streams of electrons
objective lens
magnifying lens closest to the specimen
The spherical object within a cell which controls its activity is called the _____.
nucleus
fourth
objective lens
third
revolving nosepiece
binocular
two eyepieces