$HIV$ is responsible for $AIDS$. Which cells does it destroy first?

How many types of enzymes are present in the core protein of the $HIV$ virus?

What is the full form of $AIDS$?

Arrange the following statements regarding $AIDS$ in the correct chronological order of the infection process:
$(1)$ After entering the individual's body,the $HIV$ virus enters macrophages,where the viral $RNA$ genome replicates into viral $DNA$ with the help of the reverse transcriptase enzyme.
$(2)$ $HIV$ enters helper $T$-lymphocytes.
$(3)$ $HIV$ has an $RNA$ molecule as its genetic material.
$(4)$ Newly formed viruses are released into the blood and attack other helper $T$-lymphocytes.
$(5)$ Viral $DNA$ is incorporated into the host cell's $DNA$.

Which of the following is a symptom of full-blown $AIDS$?

Which tests are used for the diagnosis of $AIDS$?