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- Cell (biology) - Wikipedia
Cells emerged on Earth about 4 billion years ago All cells are capable of replication, protein synthesis, and motility Cells are broadly categorized into two types: eukaryotic cells, which possess a nucleus, and prokaryotic cells, which lack a nucleus but have a nucleoid region
- What Is a Cell? | Learn Science at Scitable - Nature
Cells are the smallest common denominator of life Some cells are organisms unto themselves; others are part of multicellular organisms
- Explainer: Cells and their parts - Science News Explores
These tiny structures are responsible for all the wildly different forms of life on Earth This 3-D illustration of cells depicts the fundamental building blocks of all human, animal, plant and fungal life on Earth Take a look at your best friend, your dog — or even a snail using its muscular foot to move up the stalk of a flower
- Overview of Cells - Visible Body
What are cells and what do they do? The nucleus of a eukaryotic cell contains its DNA Cells are the microscopic units that make up humans and every other living organism Some organisms consist of only one cell, while others (like humans) have trillions of cells! 1
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