Cell: The Unit of LifeHard
Question
At which stage of HIV infection does one usually shows symptoms of AIDS ?
Options
A.When viral DNA is produced by a reverse transcriptase
B.When HIV replicates rapidly in helper T-lymphocytes and damage large number ofthese
C.With 15 days of sexual contact with an infected person
D.When the infecting retrovirus enters host cells
Solution
HIV enters into T-lymphocytes replicates and produces progeny viruses. The progenyviruses released in the blood other helper T-lymphocytes. This is repeated leading to aprograssive decrease in the numer of T-lymphocytes in the body of infected person.During this period, the person suffers from bouts of fever, diarrheoa and weight loss. Theperson starts suffering from infections.
Create a free account to view solution
View Solution FreeMore Cell: The Unit of Life Questions
Vacuoles help in-...Specialized epidermal cells surrounding the guard cells are called:...Which of the following statement (s) bis /are true? (A) Uneven thickening og cell well is characteristic of sclerenchyma...Chloroplasts are called semi-autonomous structures due to presence of-...Which one of the following statement is not true about the resting potential :-...