Overview
Cell theory is a cornerstone of biology that explains the fundamental role of cells in all living organisms. It emphasizes that all life forms are composed of cells, which are the basic units of life, and that new cells arise from existing ones. This theory has been pivotal in advancing our understa...
Key Terms
Example: A single bacterium is a cell.
Example: Mitochondria are the powerhouses of the cell.
Example: The cell membrane allows nutrients to enter the cell.
Example: The nucleus directs cell activities.
Example: Metabolism includes processes like digestion and energy production.
Example: Cells reproduce through mitosis.
Related Topics
Key Concepts
All living things are cellsCells are the basic unit of lifeAll cells come from other cellsCells perform essential functions