Cell, Cell theory and Comparison of cells

1. Building Blocks of Life

2. Robert Hooke
(1665)
–Examined a thin slice
of cork tissue
–Observed
honeycombed
compartments he
called cellulae (L, small
rooms)
•The term became cells
Matthias Schleiden and
Theodor Schwann
–Proposed the first two
statements of the cell
theory in 1838-39

3. In its modern form, the cell theory includes
three principles
1. All organisms are composed of one
or more cells
2. Cells are the smallest living things
3. Cells arise only by division of a
previously existing cell

4. CELL
Are all cells the same?
As the basic structural and functional unit of living things
A building blocks or basic unit of life
If not, in what ways are they
different?

5. Prokaryotic Cell Eukaryotic Cell

6. Plant Cell vs. Animal Cell

9. Fimbrae
Nucleoid
Flagella
Ribosomes
Plasma Membrane
CellWall
Capsule
Bacterial Chromosome

10. Research:
Chromosome