BIOLOGY: TULANE CUSTOM
19th Edition
ISBN: 9781307437430
Author: BROOKER
Publisher: MCG/CREATE
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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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Students have asked these similar questions
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.
In general, RNA viruses multiply in the cell , and DNAviruses multiply in the cell .a. nucleus, cytoplasm
b. cytoplasm, nucleus
c. vesicles, ribosomes
d. endoplasmic reticulum, nucleolus
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: TULANE CUSTOM
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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- To infect their specific host cells, viruses go through these chronological steps EXCEPT a. Release of progeny viruses b. Absorption and penetration of the viral particles c. Uncoating of the nucleic acid of the viral particles d. Synthesis and assembly of viral particle componentsarrow_forwardThe following statements are correct, except? a. Non-enveloped viruses bind to their host cells via their capsid surface. b. The cell receptor may determine the host range and tissue tropism of viruses. c. Virus particles bind to receptors on their host cells to initiate entry. d. Naked virus particles bind via their transmembrane glycoproteins.arrow_forwardRegarding enveloped viruses, which of the following is true of the viral envelope? A. It has the same structure as a cell wall B. It is resistant to soaps/detergents C. It is composed of capsid proteins D. It is a phospholipid bilayer derived from a membrane of its host cell 42.arrow_forward
- Virus spikes are commonly associated with which of the following? a. Non enveloped viruses b. Glycoproteins c. Lipids from the host cell membrane d. Inability to cause hemaglutinationarrow_forwardWhen 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_forward(i) Describe each way viruses may be classified. And Define each of the following parts of a virus, their composition/structure, and explain their role in the viral life cycle: a. Capsid b. Capsomere c. Nucleocapsid d. Envelope e. Spikesarrow_forward
- Viruses 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_forwardWhich of the following statements is not true? Select one: a. Viruses multiply inside living cells using viral - mRNA, tRNA & ribosomes. b. Viruses multiply inside living cells. c. Viruses contain DNA or RNA. d. The nucleic acid of a virus is surrounded by a protein coat. e. Viruses cause the synthesis of specialized infectious elements.arrow_forward
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