Related topics: stem cells · cells · blood cells · white blood cells · leukemia

Licensed to live: DNA's replication mechanisms compiled in study

The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must be faithfully copied. ...

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Bone marrow

Bone marrow is the flexible tissue found in the hollow interior of bones. In adults, marrow in large bones produces new blood cells. It constitutes 4% of total body weight, i.e. approximately 2.6 kg (5.7 lbs.) in adults.

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