BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Textbook Question
Chapter 19, Problem 3TY
During viral infection, attachment is usually specific to a particular cell type because
- a. the virus is attracted to the appropriate host cells by (proteins secreted into the extracellular fluid.
- b. the virus recognizes and binds to specific molecules in the cytoplasm of the host cell.
- c. the virus recognizes and binds to specific molecules on the surface of the host cell.
- d. the host cell produces channel proteins that provide passageways for viruses to enter the cytoplasm.
- e. the virus releases specific proteins that make holes in the membrane large enough for the virus to enter.
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During viral infection, attachment is usually specific to a particular celltype becausea. the virus is attracted to the appropriate host cells by proteinssecreted into the extracellular fluid.b. the virus recognizes and binds to specific molecules in thecytoplasm of the host cell.c. the virus recognizes and binds to specific molecules on the surfaceof the host cell.d. the host cell produces channel proteins that provide passageways forviruses to enter the cytoplasm.e. the virus releases specific proteins that make holes in the membranelarge enough for the virus to enter.
Find the wrong information about virus attachment and absorption to host cell.
A. The surface capsid proteins of naked viruses bind to a specific cell receptor on host cell.
B. For enveloped viruses, the spikes are responsible for binding to a specific cell receptor.
C. A cell lacking a receptor for a specific virus is not infected by that virus.
D. Animal viruses, such as HIV are highly specific and they can only infect particular cell types.
E. All of these are true.
Symptoms of viral infections are caused by:
(choose all that apply)
A. Actions of the virus that result in cell damage or death
B. Actions of the immune system that result in cell damage or death
C. Changes in a cell's genetics that result in cancer
Chapter 19 Solutions
BIOLOGY
Ch. 19.1 - Prob. 1CSCh. 19.2 - Prob. 1CSCh. 19.2 - Viral Reproductive Cycles Concept Check: From the...Ch. 19.4 - Genetic Properties of Bacteria Core Skill:...Ch. 19.4 - Prob. 1CCCh. 19.4 - Genetic Properties of Bacteria Concept Check:...Ch. 19.4 - Prob. 3CCCh. 19.5 - Prob. 1CCCh. 19.5 - Prob. 1EQCh. 19.5 - Prob. 2EQ
Ch. 19.5 - Gene Transfer Between Bacteria CoreSKILL The gene...Ch. 19.5 - Prob. 2CCCh. 19.5 - Gene Transfer Between Bacteria Core Skill:...Ch. 19.5 - Gene Transfer Between Bacteria Concept Check: Is...Ch. 19 - Prob. 1TYCh. 19 - The characteristics of viral genomes show many...Ch. 19 - During viral infection, attachment is usually...Ch. 19 - Prob. 4TYCh. 19 - Prob. 5TYCh. 19 - Prob. 6TYCh. 19 - Prob. 7TYCh. 19 - Prob. 8TYCh. 19 - Prob. 9TYCh. 19 - Prob. 10TYCh. 19 - How are viruses similar to living cells, and how...Ch. 19 - Prob. 2CQCh. 19 - Prob. 3CQCh. 19 - Prob. 1COQCh. 19 - Prob. 2COQ
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- When a virus invades a living cell, its (———-)takes over the cells functions. (Fill in the dash) a.) spike b.) outer-coat c.) generic material d.) core e.) cytoplasmarrow_forwardViruses may include of any of the following structures, EXCEPT: a. DNA b. ribosomes c. capsids d. viral envelopes e. RNAarrow_forwardWhich of the following descriptions correctly identifies a main structural difference between viruses with envelopes and viruses without envelopes? O A. Only viruses with envelopes package their genetic material by engulfing it. O B. Only viruses without envelopes interact with receptor proteins on the surface of the host cell. O. Only viruses without envelopes can release their genetic material into the cytoplasm of the host. O D. Only viruses with envelopes have their contents enclosed by a membranous layer containing lipids.arrow_forward
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY