Nucleic acid in HIV:
1. ss RNA
2. ds RNA
3. ss DNA
4. ds DNA

HIV infects:
1.  RBC
2.  T – helper cells
3.  B - cells
4.  Basophils

Which of the following statements is not true for retroviruses?

AIDS is caused by HIV that principally infects:

1. Activator B cells

2. T4 lymphocytes

3. Cytotoxic T cells

4. All lymphocytes