PRESENTATION OUTLINE
The first compound microscope was invented in 1595
1683
ANTON V. LEEUWENHOEK DISCOVERS SINGLE-CELLED ORGANISMS KNOWN AS AS PROTOZOANS
Through 1830-1855 scientist discover the cell nucleus. 1839 is when plants are composed of cells.
Louis Pasteur and Robert Koch pioneered the study of bacteria using the Janssen brothers compound microscope
1939
After years of studying the structure and function of cells ,Ernest Everett Just, wrote a text book "Biology of the cell surface"
1970
A microbiologist ,Lynn Margulis,discover that the eukaryotes found in organelles was free-living prokaryotes
1981
A tube that allows scientist to see atoms individually called the scanning tunneling microscope was created.
The Cell Theory
First, organisms that are alive contains of one or more cell.
Second, Cells are the basic unit of life.
Third, Cells arise from previous cells that existed.
