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Cell Theory & Scopes

Cell theory and microscopes

QuestionAnswer
Zacharias Janssen Along with his father, he developed the first compound microscope in 1595.
Robert Hooke He studied cork and gave the shapes he saw the name cells.
Anton van Leeuwenhoek He made over 500 microscopes and was the first to view living organisms in pond water.
Robert Brown He studied plant cells and discovered the nucleus.
Matthias Schleiden He determined that all plants are made of cells, and helped to develop the cell theory.
Theodor Schwann He determined that all animals are made of cells, and helped to develop the cell theory.
Rudolf Virchow He determined that all cells come from other living cells, and added the third part of the cell theory.
True True or False? The following is part of the cell theory: All living things are made of cells.
False True or False? The following is part of the cell theory: Plants and animals are made of cells.
True True or False? The following is part of the cell theory: Cells are the basic unit of structure and function in living organisms
True True or False? The following is part of the cell theory: All cells come from pre-existing cells.
Eyepiece The part of the microscope you look through; usually 10x magnification.
Stage The flat platform where the slide is placed for viewing
Stage clips Metal parts on the stage that hold the slide in place.
Arm Holds up the body; used for carrying the microscope.
Coarse adjustment knob The large knob used for focusing with the low power objective.
Fine adjustment knob The small knob used to focusing with the medium & high power lenses.
Diaphragm The part that regulates the amount of light that goes through the stage. It opens and closes like a lens.
Low power objective The short lens used to find objects on the slide.
High power objective The long lens used to look at details of the objects on the slide.
Base The bottom of the microscope; used to carry the microscope.
Nosepiece The revolving part that holds the lenses and allows them to be changed.
Created by: nbiegel
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