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| Important facts about DNA: |
| 1. DNA contains the genetic instructions for the development and functioning of all living organisms. |
| 2. It is a double-stranded molecule that is composed of nucleotide units. |
| 3. DNA is located in the cell nucleus of eukaryotic organisms and in the cytoplasm of prokaryotic organisms. |
| 4. Genes are sections of DNA that encode specific proteins or traits. |
| 5. DNA replication is the process by which DNA is copied during cell division. |
| 6. Mutations in DNA can lead to genetic disorders or diseases. |
| 7. DNA testing is commonly used in forensics, paternity testing, and genetic disease screening. |
| 8. The discovery of the structure of DNA by James Watson and Francis Crick in 1953 revolutionized the field of genetics and molecular biology. |
