The CELL
1. unicellular
2. multicellular
3. microscope
4. cell theory
5. bacteria
2. multicellular
3. microscope
4. cell theory
5. bacteria
PARTS OF A CELL
1. cell membrane
2. cytoplasm
3. prokaryotic cell
4. eukaryotic cell
5. organelle
6. nucleus
7. cell wall
8. mitochondria
PLANT CELL
ANIMAL CELL
BACTERIA CELL
VIRUSES infects CELLS
A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses.