Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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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 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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Which statement is true of viral replication? a. In the process of apoptosis, the cell survives. b. During attachment, the virus attaches at specific sites on the cell surface. c. The viral capsid helps the host cell produce more copies of the viral genome. d. mRNA works outside of the host cell to produce enzymes and proteins.

Why do viruses need to infect a host? A. In order to reproduce B. In order to grow from eggs to adult viruses C. In order to eat other viruses D. In order to properly socialize with other viruses

Why do viruses need to infect a host? A. In order to eat other viruses B. In order to reproduce C. In order to grow from eggs to adult viruses D. In order to properly socialize with other viruses

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 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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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 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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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 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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Answer 5

Chapter 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

Answer 6

Chapter 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

Answer 7

Chapter 26, Problem 4A

Summary Introduction

Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

Answer 8

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Answer 11

Ch. 26.1 - Prob. 1LO Ch. 26.1 - Prob. 2LO Ch. 26.2 - Prob. 1LO Ch. 26.2 - Prob. 2LO Ch. 26.3 - Prob. 1LO Ch. 26.3 - Describe how viruses can contribute DNA to their...Ch. 26.4 - Describe the differences between acute and...Ch. 26.4 - Prob. 2LO Ch. 26.4 - Prob. 3LO Ch. 26.5 - Prob. 1LO

Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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Introduction: Viruses are intracellular obligate parasites that require a host cell to proliferate. They take over the machinery of the host cell that it infects and reproduces within the host cell. They possess either DNA or RNA genome, which is surrounded by the protein capsid.

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