Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6, Problem 6MCQ
In general, RNA viruses multiply in the cell ____, and DNA viruses multiply in the cell ____.
- a. nucleus, cytoplasm
- b. cytoplasm, nucleus
- c. vesicles, ribosomes
- d. endoplasmic reticulum, nucleolus
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Students have asked these similar questions
Viral structure can best be described as a ___.
A. tiny cell surrounded by a cell wall
B. tail sheath surrounded by tail fibers
C. clump of DNA or RNA surrounded by a protein coat
D. capsid surrounded by a protein coat
Viruses ____.
A. all have a round shape
B. cannot have a long shape
C. do not maintain any shape
D. vary in shape
Most viruses use their own virally encoded:
a. DNA/RNA polymerase
b. Endoplastmic reticulum
c. Ribosomes
d. Mitochondria
Chapter 6 Solutions
Microbiology: A Systems Approach
Ch. 6.1 - Describe the significance of viruses being...Ch. 6.2 - Summarize arguments on both sides of the debate...Ch. 6.2 - Identify effective terms to describe the behavior...Ch. 6.3 - Prob. 4AYPCh. 6.3 - Describe the function and structure(s) of viral...Ch. 6.3 - Distinguish between enveloped and naked viruses.Ch. 6.3 - Prob. 7AYPCh. 6.3 - Compare and contrast the composition of a viral...Ch. 6.3 - Diagram the possible nucleic acid configurations...Ch. 6.4 - Develop two arguments against assigning species...
Ch. 6.4 - Demonstrate how family and genus names in viruses...Ch. 6.5 - Prob. 2CFCh. 6.5 - Diagram the six-step life cycle of animal viruses.Ch. 6.5 - Define the term cytopathic effect and provide one...Ch. 6.5 - Provide examples of persistent and transforming...Ch. 6.5 - Provide a thorough description of lysogenic and...Ch. 6.6 - List the three principal purposes for cultivating...Ch. 6.6 - Describe three ways in which viruses are...Ch. 6.7 - Prob. 18AYPCh. 6.8 - Analyze the relative importance of viruses in...Ch. 6.8 - Prob. 20AYPCh. 6 - Prob. 1CFCh. 6 - A virus is a tiny infectious a. cell. b. living...Ch. 6 - Viruses are known to infect a. plants. b....Ch. 6 - The nucleic acid of a virus is a. DNA only. b. RNA...Ch. 6 - The general steps in a viral multiplication cycle...Ch. 6 - Prob. 5MCQCh. 6 - In general, RNA viruses multiply in the cell ____,...Ch. 6 - Viruses cannot be cultivated in/on a. tissue...Ch. 6 - Clear patches in cell cultures that indicate sites...Ch. 6 - Label the parts of this virus. Identify the...Ch. 6 - Circle the viral infections from this list:...Ch. 6 - In lysogeny, viral DNA is inserted into the host...Ch. 6 - A viral capsid is composed of subunits called...Ch. 6 - The envelope of an animal virus is derived from...Ch. 6 - The nucleic acid of animal viruses enters the cell...Ch. 6 - Viruses that persist in the (host) cell and cause...Ch. 6 - Provide evidence in support of or refuting the...Ch. 6 - Summarize the unique properties of viruses and...Ch. 6 - Prob. 3CTQCh. 6 - Prob. 4CTQCh. 6 - Prob. 5CTQCh. 6 - Prob. 6CTQCh. 6 - Prob. 7CTQCh. 6 - Prob. 8CTQCh. 6 - Prob. 9CTQCh. 6 - Prob. 10CTQCh. 6 - Prob. 1CCCh. 6 - Prob. 2CCCh. 6 - Prob. 3CCCh. 6 - Prob. 4CCCh. 6 - Prob. 1VCCh. 6 - Prob. 1CM
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- Viruses may include of any of the following structures, EXCEPT: a. DNA b. ribosomes c. capsids d. viral envelopes e. RNAarrow_forwardThe envelope of an animal virus is usually derived from the _____ of its host cell. a. cell wall c. capsule b. plasma membrane d. receptorsarrow_forwardTo be considered a virus, a virus MUST… _____be able to insert (recombine) its genes into the main chromosome (s) of the host _____only replicate inside of a host cytoplasm _____be a part of the Universal Tree of Life _____contain enzymes _____respire or fermentarrow_forward
- Figure 17.6 Influenza virus is packaged in a viral envelope, which fuses with the plasma membrane. This way, the virus can exit the host cell without killing it. What advantage does the virus gain by keeping the host cell alive?arrow_forwardFigure 17.5 Which of the following statements about virus structure is true? a. All viruses are encased in a viral membrane. b. The capsomere is made up of small protein subunits called capsids. c. DNA is the genetic material in all viruses. d. Glycoproteins help the virus attach to the host cell.arrow_forwardOnce inside the cell, a virus particle can be transported across the cytoplasm by: a. lysosomes b. vesicles c. microtubules d. all statements are correctarrow_forward
- The envelope of an enveloped virus is derived from a. The lysosome of the cell b. The cell membrane of the cell C. The endoplasmic reticulum of the cell d. The mitochondrion of the cell e The Golgi apparatus of the cellarrow_forwardAlthough some viruses are complete after the assembly stage, othersdo not complete replication until they acquire during therelease stage.a. DNA c. proteinsb. RNA d. the envelopearrow_forwardThe viral envelope is made up of _______. A. Lipids and Proteins B. Proteins C. Glycoproteins D. AOTA E. NOTAarrow_forward
- Viruses replicate by entering a cell and using the host cell's enzymes to produce more copies of itself. SARS-COV2 is a spherical virus that has been observed to be as small as 50 nm in diameter. If we approximate a human epithelial cell to be a cylinder with a 58 um height and 5 um diameter, what is the maximum number of SARS-COV2 viruses that could fit inside the cell?arrow_forwardSymptoms 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 cancerarrow_forwardEndocytosed enveloped viruses leave endosomal compartments at some point during endosome maturation and fusion with the lysosome. But some types of viruses escape earlier in that process than others. What is one reason why escape might happen at different points?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