The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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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 15, Problem 8MC

Summary Introduction

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The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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Which of the following statements correctly describes viruses? Select one: A. They can reproduce by dividing. B. They cannot reproduce without a host cell. C. They have a genome similar to prokaryotic and eukaryotic cells. D. They can carry out their own metabolic activities.

Which of the following is a reason that scientists do not classify viruses as living things? A. They must infect a host because they cannot reproduce on their own. B. They contain DNA, like all living organisms. C. The experience evolution through natural selection. D. They replicate themselves and reproduce

Viruses are not considered to be alive because: (choose all that apply) Virus Basics Viruses are not considered to be alive because: (choose all that apply) A. They do not grow B. They cannot reproduce on their own C. They are not made of cells D. They do not contain genetic material (such as DNA)

Answer 2

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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 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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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 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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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 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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Answer 5

Chapter 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

Answer 6

Chapter 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

Answer 7

Chapter 15, Problem 8MC

Summary Introduction

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

Answer 8

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Answer 11

Ch. 15 - Prob. 1SA Ch. 15 - Prob. 2SA Ch. 15 - Prob. 3SA Ch. 15 - Prob. 4SA Ch. 15 - Prob. 5SA Ch. 15 - Prob. 6SA Ch. 15 - Prob. 7SA Ch. 15 - Prob. 8SA Ch. 15 - Prob. 9SA Ch. 15 - Prob. 10SA

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

Solution Summary: The author explains that viruses are non-cellular organisms with inert crystalline structures outside the living cell. They are obligate intracellular parasites.

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Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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Chapter 15 Solutions

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

Solution Summary: The author explains that viruses are non-cellular organisms with inert crystalline structures outside the living cell. They are obligate intracellular parasites.

Concept explainers

Videos

Introduction: The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.

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Chapter 15 Solutions

Introduction:

The viruses are non cellular organisms that are characterized by having an inert crystalline structure outside the living cell .They are obligate intracellular parasites. Virus can infect all types of life forms, from animals and plants to microorganisms.