A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

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Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

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There have been recent outbreaks of dog flu in the US. Why doesn't this virus infect humans? A) The virus can replicate in cells of all species but can only egress from dog cells. B) The genetic code of the virus is the same as that in dog cells but is different from other organisms. C) The virus can only attach to dog cells. D) The virus can enter cells of all species but can only replicate in dog cells.

Which of the following does NOT inititiate DNA synthesis? a. a single-stranded DNA virus. b. a (-) single stranded RNA virus c. a (+) single stranded RNA virus d. a double-stranded DNA virus (Poxviridae) e. Both (-) and (+) single-stranded RNA viruses

Which of the following does NOT inititiate DNA synthesis ? (correct answer e) a. a single-stranded DNA virus. b. a (-) single stranded RNA virus c. a (+) single stranded RNA virus d. a double-stranded DNA virus (Poxviridae) e. Both (-) and (+) single-stranded RNA viruses

Answer 2

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Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

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Answer 3

Question

Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

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Answer 4

Question

Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Expert Solution & Answer

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Answer 5

Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Answer 6

Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Answer 7

Chapter 19, Problem 5SA

Summary Introduction

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Answer 8

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Answer 11

Ch. 19 - ________ can have a genome of either RNA or DNA....Ch. 19 - Peptidoglycan is seen only in cell walls of...Ch. 19 - In _______, viral DNA becomes integrated into a...Ch. 19 - Prob. 4SA Ch. 19 - Prob. 5SA Ch. 19 - Prob. 6SA Ch. 19 - Prob. 7SA Ch. 19 - _______ are oxygen-releasing photoautotrophs. a....Ch. 19 - Prob. 9SA Ch. 19 - Vitamin-producing E. coli cells in your gut are...

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Solution Summary: The author explains that viruses can be altered by viral recombination and mutation.

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Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

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Chapter 19 Solutions

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Solution Summary: The author explains that viruses can be altered by viral recombination and mutation.

Concept explainers

Videos

Introduction: A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”

Want to see the full answer?

Chapter 19 Solutions

Introduction:

A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of RNA or DNA that may be “single-stranded or double-stranded.”