Cell Theory

All living things are made of cells — the basic unit of life.

Stood on the shoulders of

• The Microscope

Made possible

• Germ Theory
• The Neuron Doctrine
• Enzymes
• Hormones
• Vitamins
• Chromosome Theory
• Cellular Respiration
• The Ribosome
• Photosynthesis Unraveled
• Endosymbiosis
• Cloning
• Stem Cells
• Blood Groups
• Insulin
• In Vitro Fertilization