BIOLOGY:DYNAMIC SCIENCE-ACCESS >CUSTOM<
4th Edition
ISBN: 9781337254175
Author: Russell
Publisher: CENGAGE C
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Chapter 17, Problem 9TYK
Summary Introduction
Introduction:
Retroviruses are the viruses that have RNA (ribonucleic acid) as their genetic material. During replication, they first generate DNA (deoxyribonucleic acid) by reverse transcription and then carry out normal transcription to form RNA from that DNA.
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Which is true of DNA viruses? a. They use the host cell’s machinery to produce new copies of their genome. b. They all have envelopes. c. They are the only kind of viruses that can cause cancer. d. They are not important plant pathogens.
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
Chapter 17 Solutions
BIOLOGY:DYNAMIC SCIENCE-ACCESS >CUSTOM<
Ch. 17.1 - What are the properties of F+, F-, and Hfr cells...Ch. 17.1 - Prob. 2SBCh. 17.2 - Prob. 1SBCh. 17.2 - How does viral infection of an animal cell and a...Ch. 17.2 - Prob. 3SBCh. 17.3 - Prob. 1SBCh. 17 - Prob. 1TYKCh. 17 - Prob. 2TYKCh. 17 - Which of the following is not correct for...Ch. 17 - Prob. 4TYK
Ch. 17 - Prob. 5TYKCh. 17 - Prob. 6TYKCh. 17 - When a virus enters the lysogenic stage: a. the...Ch. 17 - An infectious material is isolated from a nerve...Ch. 17 - Prob. 9TYKCh. 17 - Prob. 10TYKCh. 17 - Prob. 11TYKCh. 17 - Discuss Concepts As a control for their...Ch. 17 - Prob. 13TYKCh. 17 - Prob. 14TYKCh. 17 - Prob. 15TYKCh. 17 - Prob. 1ITD
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- a. Compare three characteristics of a bacterium and a virus.b. Why are viruses so hard to control?arrow_forwardCompares the length of the chromosomes of several viruses to the size of their head structure ?arrow_forward_____________ is the process in which viral DNA is incorporated into the host cell genomearrow_forward
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