Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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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

Which of the following statements concerning viruses and human health is false? a-in many diseases caused by viruses, the virus attacks cells as it reproduces b- many viral diseases can be controlled through vaccinations c- some viruses can remain dormant in the body for years before disease symptoms appear d-most viral infections are difficult to treat, but they can be finally destroyed by antibiotics

According to your own understanding, what do you think makes viruses some of the most common disease causing organisms? Explain comprehensively

Answer 2

Question

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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Answer 3

Question

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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Answer 4

Question

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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Answer 5

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Answer 6

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Answer 7

Chapter 9, Problem 2TY

Summary Introduction

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Answer 8

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Answer 11

Ch. 9 - Prob. 1QC Ch. 9 - Prob. 2QC Ch. 9 - Define the term pathogen and give some examples.Ch. 9 - Prob. 2CR Ch. 9 - Prob. 3CR Ch. 9 - Prob. 4CR Ch. 9 - Prob. 5CR Ch. 9 - Describe in general terms the distinction between...Ch. 9 - Describe the concept of an antigen and how it...Ch. 9 - Prob. 8CR

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Solution Summary: The author explains that viruses require a host cell for reproduction, as they have no organelles of their own. They can be controlled with antibiotics.

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Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

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Chapter 9 Solutions

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Solution Summary: The author explains that viruses require a host cell for reproduction, as they have no organelles of their own. They can be controlled with antibiotics.

Concept explainers

Videos

Introduction: Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.

Want to see the full answer?

Chapter 9 Solutions

Introduction:

Viruses are very small infection-causing pathogens. They either have a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), which is surrounded mainly by a protein coat. They are intermediates between living and nonliving organisms.