Cell Discovery And Theory Flashcards
What led to the discovery of cells?
Microscopes
Who discovered cells?
Robert Hooke
Who is Robert Hooke?
An English scientist in 1665
What did Robert Hooke do in 1665?
He made a simple microscope and discovered cells
How did Robert Hooke discover cells?
He looked at a piece of cork
Who is Anton Van Leeuwenhok?
A Dutch scientist, in the late 1660s, Anton made the first ever microscope
Who is Matthias Schleiden?
concluded that all plants are made of cells
Who is Theodor Schwann?
said that animals are made of cells
Who is Rudolph Virchow?
proposed cells come from pre existing cells
What is the cell theory?
All organisms are made of cells, cells are the basic units of any living organism, cells come from pre existing cells
What are the two types of microscopes?
compound light and electron microscope
What is a compound light microscope?
Uses a series of glass lenses and visible light to magnify images. Magnifies images up to 1000x.
What is an electron microscope?
Creates images using a beam of electrons. Magnifies images up to 500000x
What is a specimen?
A living organism used to be looked through the microscope
Name the parts of a microscope
Ocular lens, tube, arm, light source, stage, stage clips, revolving nosepiece, objective lenses, coarse adjustment knob, fine adjustment knob, and base