Chapter 13. 13·16–13·19 Viruses are at the border between living and non-living.

Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 13·16–13·19 Viruses are at the border between living and non-living by answering the following questions.

1.

1. Many biologists do not consider viruses to be alive. Which of the following characteristics of viruses lead to this ambiguity?

A.
B.
C.
D.
E.

Correct. (See section 13·16 Viruses are not exactly living organisms.)
Incorrect. (See section 13·16 Viruses are not exactly living organisms.)

2.

2. Which of the following components are always absent in a virus?

A.
B.
C.
D.
E.

Correct. (See section 13·16 Viruses are not exactly living organisms.)
Incorrect. (See section 13·16 Viruses are not exactly living organisms.)

3.

3. Which of the following is the correct step-by-step description of the most basic viral replication cycle?

A.
B.
C.
D.
E.

Correct. (See section 13·16 Viruses are not exactly living organisms.)
Incorrect. (See section 13·16 Viruses are not exactly living organisms.)

4.

4. Which of the following is NOT a correct statement about the human immunodeficiency virus (HIV)?

A.
B.
C.
D.
E.

Correct. (See section 13·19 HIV illustrates the difficulty of controlling infectious viruses.)
Incorrect. (See section 13·19 HIV illustrates the difficulty of controlling infectious viruses.)

5.

5. A virus that can infect a bacterium should also be able to infect:

A.
B.
C.
D.
E.

Correct. (See section 13·18 Viruses infect a wide range of organisms.)
Incorrect. (See section 13·18 Viruses infect a wide range of organisms.)

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