CELL THEORY
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CELL THEORY
WHO’S WHO?BrownDujardinKollikerLeeuwenhoekPurkinjeSchleiden & SchwannVirchow
1 2
3 4 5
6 7
LEEUWENHOEK
LEEUWENHOEK
-was able to observe tiny animals called,
“animalcules”
BROWN
Discovered the presence of NUCLEUS within the cells
DUJARDIN
-French biologist-SARCODE = gelatinous
fluid in the cell
PURKINJE
-coined the word PROTOPLASM
LIVING MATERIALS in the cell
SCHLEIDEN & SCHWANN
- plants and animals are composed of cells
KÖLLIKER
- Coined the term CYTOPLASM
VIRCHOW
-”omnis cellula e cellula”
=“cells divide and form new cells”
THEN WHAT IS A CELL THEORY???The cell theory states that:1.ALL living things are made up of cells.2. The cell is the FUNDAMENTAL unit that
gives the structure and function of life.3. Cells come from the DIVISION of
preexisting cells.
KEY ROLES AND FUNCTION OF CELLS
1. The ENERGY of organism is formed in the cells.
ATPAdenosine triphosphate
KEY ROLES AND FUNCTION OF CELLS
2. Organisms can be made of one or more cells.
3. DNA, which is the blueprint of life, can be replicated (copied) and passed from cell to cell through cell division.
MITOSIS
KEY ROLES AND FUNCTION OF CELLS
4. An organism carrying certain chemical compositions of cells is the same with the species where it belongs.
KEY ROLES AND FUNCTION OF CELLS
5. The activities in an organism are dependent on the activities done by its cells.
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