DNA is a helical, double-stranded molecule that bears the genetic code. During the replication of DNA, its two strands are separated from each other resulting in a configuration called the replication fork. The replication fork is comprised of two prongs wherein each prong is the single strand of DNA.
The earliest signs of an HIV infection are flu-like symptoms that include fever, rash, swollen lymph nodes, headache and fatigue, according to Mayo Clinic. These symptoms usually appear between 30 and 60 days after a person has been infected, and they may be mistaken for another viral infection. Keep Learning.
The symptoms of HIV vary, depending on the individual and what stage of the disease you are in: the early stage, the clinical latency stage, or AIDS (the late stage of HIV infection). Below are the symptoms that some individuals may experience in these three stages. Not all individuals will experience these symptoms. Early Stage of HIV. About 40% to 90% of people have flu-like symptoms within 2-4 weeks after HIV infection. Other people do not feel sick at all during this stage, which is also ...