The phenomenon of new diseases, formed or exacerbating of existing pathologies, as a result of the incorporation of the host genome into the viral structure during the infective process. Introduction: A virus is an obligate intracellular parasite . It is known to be a nonliving entity, when present in the environment outside its host. Once it infects the host, it becomes a living organism. There is a specific type of host for a particular virus. The virus uses the metabolic machinery of the host to produce multiple copies of itself, or virions.

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 17, Problem 68TQ

Summary Introduction

To review:

The phenomenon of new diseases, formed or exacerbating of existing pathologies, as a result of the incorporation of the host genome into the viral structure during the infective process.

Introduction:

A virus is an obligate intracellular parasite. It is known to be a nonliving entity, when present in the environment outside its host. Once it infects the host, it becomes a living organism. There is a specific type of host for a particular virus. The virus uses the metabolic machinery of the host to produce multiple copies of itself, or virions.

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Answer the following 1.Are viruses living or non-living organisms? 2. What is the difference between HIV and AIDS? 3. HIV is classified as a retrovirus. What are retroviruses? 4. In your own words, provide a short summary of the HIV replication cycle. 5. Why is reverse transcriptase an important enzyme in the replication cycle of HIV? 6. In the chapter about enzymes, we have discussed how drugs are basically inhibitors. There are currently a multitude of Antiretroviral therapy (ART or ARV) options available to people living with HIV (PLHIV) so that the viral replication is suppressed and does not progress to AIDS. What do you think these drugs target? Discuss briefly. 7. SARS-CoV-2, the virus that causes CoVid-19, belongs to the Coronaviridae family. Viruses under this family have a genome made of single-stranded positive-sense RNA. Is this similar to the viral genome of HIV? If so, do you think that – in theory – they would have similar replication cycles? 8. In your own opinion, do…

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 17, Problem 68TQ

Summary Introduction

To review:

The phenomenon of new diseases, formed or exacerbating of existing pathologies, as a result of the incorporation of the host genome into the viral structure during the infective process.

Introduction:

A virus is an obligate intracellular parasite. It is known to be a nonliving entity, when present in the environment outside its host. Once it infects the host, it becomes a living organism. There is a specific type of host for a particular virus. The virus uses the metabolic machinery of the host to produce multiple copies of itself, or virions.

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Answer 3

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 17, Problem 68TQ

Summary Introduction

To review:

The phenomenon of new diseases, formed or exacerbating of existing pathologies, as a result of the incorporation of the host genome into the viral structure during the infective process.

Introduction:

A virus is an obligate intracellular parasite. It is known to be a nonliving entity, when present in the environment outside its host. Once it infects the host, it becomes a living organism. There is a specific type of host for a particular virus. The virus uses the metabolic machinery of the host to produce multiple copies of itself, or virions.

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Answer 4

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Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

Chapter 17, Problem 68TQ

Summary Introduction