The technique used to detect $HIV$ in a suspected $AIDS$ patient during the asymptomatic stage is

The genetic material found in Human Immunodeficiency Virus $(HIV)$ is:

$HIV$,which causes $AIDS$,first starts destroying:

Which diagnostic test is suggested for patients suspected of having $AIDS$?

How is $AIDS$ transmitted?

In the given flow diagram,the replication of a retrovirus in a host is shown. Observe and answer the following questions.
$(a)$ Fill in $(A)$ and $(B)$.
$(b)$ Why is the virus called a retrovirus?
$(c)$ Can the infected cell survive while viruses are being replicated and released?