cell history and_theory
TRANSCRIPT
Set up your notes like this!!
NamePeriodDate Cell History & Theory
History
Theory
CellHistory
and Theory
Cells the basic unit of all living
things. the building blocks of all life. The smallest unit that can still
carry on all life processes Both unicelluar and
multicellular organisms are composed
of cells.
History of Cell Study Scientists did not know about
cells until the invention of the microscope in the 17th century
Most cells are so small they can not be seen w/o a microscope.
Anton van Leeuwenhoek- Dutch naturalist (1600’s). Developed the first microscope.
Robert Hooke- English (1665) was the first to develop a compound microscope. He came up with the term cell after looking at a piece of cork
History
Robert Brown- (1831) discovered the nucleus of the cell.
History cont….. Matthias Schleiden- (German, around 1830’s)
a Botanist, concluded that all plants were
made up of cells. Theodor Schwann- (German, worked during
the same time as Schleiden), studied animal
cells. Concluded that animals were made up
of cells.
Rudolf Virchow- (1858) concluded that all new
cells must come from previously existing
cells.
The Cell Theory 1. The cell is the basic unit of all
living things. 2. All living things are made up of
cells. 3. All cells come from existing cells.