A virus is an obligate parasite which needs a host cell in its replication process. The host cell may be either animal or bacterial virus. The infection of virus is different in both the animal and bacterial cells. Virus occurs freely in the environment and it acts as inactive state. After it comes close to the host cell, it binds to the membrane receptors present in the host cell.

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Answer 1

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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 8.8, Problem 1MQ

Summary Introduction

A virus is an obligate parasite which needs a host cell in its replication process. The host cell may be either animal or bacterial virus. The infection of virus is different in both the animal and bacterial cells. Virus occurs freely in the environment and it acts as inactive state. After it comes close to the host cell, it binds to the membrane receptors present in the host cell.

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Answer 2

Question

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 8.8, Problem 1MQ

Summary Introduction

A virus is an obligate parasite which needs a host cell in its replication process. The host cell may be either animal or bacterial virus. The infection of virus is different in both the animal and bacterial cells. Virus occurs freely in the environment and it acts as inactive state. After it comes close to the host cell, it binds to the membrane receptors present in the host cell.

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Answer 3

Question

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 8.8, Problem 1MQ

Summary Introduction

A virus is an obligate parasite which needs a host cell in its replication process. The host cell may be either animal or bacterial virus. The infection of virus is different in both the animal and bacterial cells. Virus occurs freely in the environment and it acts as inactive state. After it comes close to the host cell, it binds to the membrane receptors present in the host cell.

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Check out a sample textbook solution

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Answer 4

Question

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 8.8, Problem 1MQ

Summary Introduction