Unit 3 Quiz 1

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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


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