The Bradshaw Foundation : Glossary of Terms & Definitions
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Glossary of Terms & Definitions | D
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| dabous |
A sandstone outcrop on the edge of the Tenere Desert, Niger. Site of some of the worldís largest rock carvings, two life-size giraffe, created between 9,000 BC and 5,000 BC. The site itself has over 600 petroglyphs. |
| dating |
see Carbon Dating |
| DNA |
'Deoxyribonucleic acid' is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms. The main role of DNA molecules is the long-term storage of information. DNA is often compared to a set of blueprints, containing the instructions needed to construct other components of cells and molecules. The DNA segments that carry this genetic information are called genes. |
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