cell history and_theory

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.