The stability can be measured in various ways; a common way is the "melting temperature", which is the temperature at which 50% of the ds molecules are converted to ss molecules; melting temperature is dependent on ionic strength and the concentration of DNA.As a result, it is both the percentage of GC base pairs and the overall length of a DNA double helix that determine the strength of the association between the two strands of DNA.. 
HIV (ni ede geesi duro fun human Immunodeficiency virus, eyi tumosi ẹran aitoagbóguntàrùn eniyan ni ede Yoruba) je ẹrantiotio to n fa òkùnrùn AIDS.itọkasi awon arun Alaakorán obi eniyan.. 