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Terms in this set (16)
1.· What are the 3 parts to the cell theory
· One: all organisms are composed of one or more cells.
· Two: the cell is the basic unit of structure and organization in organisms.
· Three: all cells come from preexisting cells.
· Two: the cell is the basic unit of structure and organization in organisms.
· Three: all cells come from preexisting cells.
About when did the discovery/development of microscopes begin?
Early 1600"s
What did Anton Van Leeuwenhoek do to instead of buying a microscope?
Made his own
From where did Leeuwenhoek discover bacteria?
Dental Scraping; gunk on his teeth
To whom was Leeuwenhoek was talking through "snail mail" in England?
Robert Hooke
Why was the term "cell" used in reference to the chambers he observed in the cork?
It reminded him of the little rooms that monks lived in. Robert Hooke created the word cell.
What famous scientist did Robert Hooke "lock horns with"?
Sir Isaac Newton, and this scientists argued over the theory that planets move due to gravity.
What did Matthias Schleiden observe?
Plant tissue/plant cells/plants
What did Schleiden conclude?
All plants are made of cells
What did Theodore Schwann observe?
Animal tissue/animal cells/animals
What did Schwann conclude?
All animals are made of cells. He also discovered 1 & 2 of the cell theory (see number 1 question)
Where did Schleiden think cells came from?
Free cell formation a.k.a. spontaneous generation.
Where did Rudolf Virchow say cells came from?
Cells did come from other cells.
From who did Virchow "borrow" his ideas and which number of the cell theory did he "discover"?
Robernt Remak disocoered/confirmed number 3 of the cell theory that all cells come from preexisting cells.
According to this transcript/video how many scientists discovered the cell theory, and what are their names?
At least 6 scientists: Anton Van Leeuwendhoek, Robert Hooke, Mattias Schleiden, Theodore Schwann, Rudolf Vichow, and Robert Remak