Read the following Assertion and Reason and choose the correct option. Assertion: HIV enters macrophages and uses reverse transcriptase to convert its RNA genome into viral DNA. Reason: The viral DNA integrates into the host cell's DNA, directing the production of new virus particles.

Step-by-step solution

The word AIDS stands for Acquired Immuno Deficiency Syndrome. This means deficiency of immune system, acquired during the lifetime of an individual indicating that it is not a congenital disease. ‘Syndrome’ means a group of symptoms. AIDS was first reported in 1981 and in the last twenty-five years or so, it has spread all over the world killing more than 25 million persons. AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing