Cells

2. All organisms are composed of cells and cell products Cell Theory 1. Cell is the basic living unit of all organisms 2. All organisms are composed of cells and cell products 3. All cells come from other cells

Types of Cells Prokaryote Eukaryote

Represent the simplest type of living cell Found everywhere Prokaryote Cells Example: Bacteria Represent the simplest type of living cell Found everywhere

One celled organisms Have a rigid cell wall 1 chromosome Prokaryote Cells One celled organisms Have a rigid cell wall 1 chromosome Contain plasmids Has ribosomes

Pili – short projections that help bacteria to attach to surfaces Prokaryote Cells Pili – short projections that help bacteria to attach to surfaces Flagella

Scanning Electron Microscope : Pin point magnified 383 times Prokaryote Cells Scanning Electron Microscope : Pin point magnified 383 times

Prokaryote Eukaryote

Divided into organelles Plants, animals, Fungus, Protists Eukaryote cells Multicellular Divided into organelles Plants, animals, Fungus, Protists