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Test Your Understanding Know and Comprehend 6. Plant viruses (a) typically cause rapid death of infected plants (b) are mainly retroviruses (c) can be killed with antibiotics (d) are transmitted throughout the plant body by insects (e) can be transmitted from one generation to the next through infected seeds

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Biology (MindTap Course List)

11th Edition
Eldra Solomon + 3 others
Publisher: Cengage Learning
ISBN: 9781337392938

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BuyFindarrow_forward

Biology (MindTap Course List)

11th Edition
Eldra Solomon + 3 others
Publisher: Cengage Learning
ISBN: 9781337392938
Chapter 24, Problem 6TYU
Textbook Problem
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Test Your Understanding

Know and Comprehend

6. Plant viruses (a) typically cause rapid death of infected plants (b) are mainly retroviruses (c) can be killed with antibiotics (d) are transmitted throughout the plant body by insects (e) can be transmitted from one generation to the next through infected seeds

Summary Introduction

Introduction: Virus is a small organism having nucleic acid inside its protein coat. Some viruses contain the envelope that is formed by the host’s plasma membrane at the time of leaving the host cell. A number of plant viruses possess the capsid in place of envelopes. Around 75% of plant viruses have ssRNA as their genome.

Explanation of Solution

Reason for correct answer:

Viruses are small organisms that are abundantly found on the earth. It is found that about 20% of plant viruses have the potential to transfer from one generation to another by means of infected seeds or the pollen grains. These viruses possess an envelope over the capsid and ssRNA as their genome. The infection by the virus may go to several generations. Thus, the plant virus is transmitted from one generation to another by means of infected seeds.

Option (e) is given as “can be transmitted from one generation to another by the infected seeds”.

The plant viruses can travel from one generation to another by means of virus-infected seeds.” Hence, the correct answer is option (e).

Reason for incorrect answer:

Option (a) is given as “typically cause rapid death of infected plants.”

The plant viruses cause a decrease in the growth pattern of the plant and cause the modification in the foliage shape, but they do not kill the plants. Thus, the plant viruses do not kill the infected plants. Hence, option (a) is incorrect...

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Chapter 24 Solutions

Biology (MindTap Course List)
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Ch. 24.4 - Contrast viral infection of plants and animals,...Ch. 24.4 - Describe the reproductive cycle of a retrovirus,...Ch. 24.4 - How do viruses infect plant cells?Ch. 24.4 - What are the mechanisms by which viruses enter...Ch. 24.4 - VISUALIZE Draw a diagram illustrating how...Ch. 24.5 - Trace the evolutionary origin of viruses according...Ch. 24.5 - How could viruses have evolved before their hosts?...Ch. 24.5 - connect In what way are polydnaviruses mutualistic...Ch. 24.6 - Compare satellites, viroids, prions, and defective...Ch. 24.6 - What do viroids and prions have in common? How are...Ch. 24 - The genome of a virus consists of (a) DNA (b) RNA...Ch. 24 - The capsid of a virus consists of (a) protein...Ch. 24 - Viruses that kill host cells are (a) lysogenic (b)...Ch. 24 - Test Your Understanding Know and Comprehend 4. In...Ch. 24 - Test Your Understanding Know and Comprehend 5. The...Ch. 24 - Test Your Understanding Know and Comprehend 6....Ch. 24 - Test Your Understanding Know and Comprehend 7....Ch. 24 - Prions (a) consist of RNA with no protein coat (b)...Ch. 24 - Arrange the following list into the correct...Ch. 24 - Arrange the following list into the correct...Ch. 24 - VISUALIZE What does this diagram illustrate?...Ch. 24 - CONNECT How are viral genomes different from those...Ch. 24 - CONNECT How do viroids and prions differ from...Ch. 24 - EVOLUTION LINK Discuss the coevolution of...Ch. 24 - EVOLUTION LINK Based on what you have learned...Ch. 24 - SCIENCE, TECHNOLOGY, AND SOCIETY What is the...

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