Local Weather. Brewing tropical cyclone in Bay of Bengal won't bring heat relief to India. April 13, 2017, 9:40:41 AM EDT. A budding tropical cyclone in the Bay of Bengal is expected to target Myanmar, preventing India from welcoming any relief from the dangerous heat wave. Tropical depression to soak central Philippines Easter weekend. April 14, 2017, 7:00:42 AM EDT.
HIV is a retrovirus. HIV is an enveloped retrovirus. Each virus particle contains two copies of an RNA genome. The virus also has a number of enzymes: reverse transcriptase, integrase and viral protease. These molecules play an important role in making new copies of HIV and can be the targets of antiretroviral drugs.
A retrovirus is a virus that uses RNA as its genetic material. When a retrovirus infects a cell, it makes a DNA copy of its genome that is inserted into the DNA of the host cell.There are a variety of different retroviruses that cause human diseases, including the common cold, some forms of cancer, and AIDS.t uses an enzyme called reverse transcriptase to become part of the host cells' DNA. This allows many copies of the virus to be made in the host cells. The virus that causes AIDS, the human immunodeficiency virus (HIV), is a type of retrovirus.