* This complex acid has been compared to a blueprint or a recipe, for DNA is packed with information, which is encoded in chemical form and stored in a molecular environment that is capable of interpreting that code and acting on it.
الدَّنا هو المادة الوراثية لدى جميع الكائنات المؤلفة من خلايا والاساس الجزيئي للوراثة .‏