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Retroviruses are approximately 80-100 nanometers in size, making them relatively small compared to other types of viruses.

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1y ago

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What is retrovirus?

A retrovirus is a type of virus that stores its genetic information in the form of RNA instead of DNA. It replicates by converting its RNA into DNA using an enzyme called reverse transcriptase, which allows the virus to integrate its genetic material into the host cell's DNA. Examples of retroviruses include HIV and HTLV.


Viruses that contain RNA as their genetic information are called?

A retrovirus contains RNA as its genetic information. When a retrovirus infects a cell, it uses its own enzymes to produce DNA from its RNA. Then the DNA becomes part of the host cell's genome, and it will be transcribed and translated along with the host cell's DNA, thereby turning the cell into a virus factory. It is called a retrovirus because the original order of DNA ---> RNA ---> protein is reversed to RNA ---> DNA ---> RNA ---> protein.


Why is HIV classified as a retrovirus and how does this classification impact its mode of infection and treatment?

HIV is classified as a retrovirus because it uses RNA as its genetic material and has an enzyme called reverse transcriptase that allows it to convert its RNA into DNA once inside a host cell. This impacts its mode of infection because the virus can integrate its DNA into the host cell's genome, making it difficult for the immune system to detect and eliminate infected cells. In terms of treatment, the classification as a retrovirus means that antiretroviral drugs are used to target the virus at different stages of its life cycle, such as blocking reverse transcriptase or preventing the virus from integrating into the host cell's DNA.


Which enzyme are retroviruses equiped with that allows them to transcribe DNA from an RNA template?

Human Immunodeficiency Virus (HIV) is a retrovirus. A retrovirus is a RNA virus that replicates through a DNA intermediate. HIV synthesises DNA from RNA by the action of reverse transcriptase enzyme.


What is a reterovirus?

A retrovirus is an RNA virus that is replicated in a host cell via the enzyme reverse transcriptase to produce DNA from its RNA genome. The DNA is then incorporated into the host's genome by an integrase enzyme. The virus thereafter replicates as part of the host cell's DNA. Retroviruses are enveloped viruses that belong to the viral family Retrovirida.