Microbiology with Diseases by Body System (5th Edition)
5th Edition
ISBN: 9780134477206
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 13, Problem 2MC
Summary Introduction
Introduction:
Viruses are obligate
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A virus is isolated, and individual virions appear spherical. What type of virus is this? A. Bacteriophage B. Helical C. Icosahedral D. Lysogenic
Which of the following statements seemingly refute the fact that viruses are nonliving?
A.They reproduce themselves only inside a host cell.
B. They contain no enzymes.
C. They can change over time, with the emergence of new strains.
D. They cause diseases similar to those caused by bacteria.
E. They are composed of protein and nucleic acid.
Which of the following statements correctly describes viruses?
Select one:
A. They can reproduce by dividing.
B. They cannot reproduce without a host cell.
C. They have a genome similar to prokaryotic and eukaryotic cells.
D. They can carry out their own metabolic activities.
Chapter 13 Solutions
Microbiology with Diseases by Body System (5th Edition)
Ch. 13 - Why are naked icosahedral viruses able to...Ch. 13 - What characteristics of the genomes of...Ch. 13 - Prob. 3TMWCh. 13 - Prob. 1EDCSCh. 13 - Prob. 4TMWCh. 13 - Prob. 5TMWCh. 13 - Prob. 6TMWCh. 13 - Prob. 7TMWCh. 13 - Prob. 1CCSCh. 13 - Prob. 1MC
Ch. 13 - Prob. 2MCCh. 13 - Prob. 3MCCh. 13 - Prob. 4MCCh. 13 - Prob. 5MCCh. 13 - Prob. 6MCCh. 13 - Prob. 7MCCh. 13 - Prob. 8MCCh. 13 - Prob. 9MCCh. 13 - Prob. 10MCCh. 13 - Prob. 1MCh. 13 - Prob. 1VICh. 13 - Prob. 2VICh. 13 - Prob. 1SACh. 13 - Prob. 2SACh. 13 - Prob. 3SACh. 13 - Prob. 4SACh. 13 - Prob. 5SACh. 13 - What is the difference between a virion and a...Ch. 13 - How is a provirus like a prophage? How is it...Ch. 13 - Prob. 8SACh. 13 - Prob. 9SACh. 13 - Prob. 10SACh. 13 - Prob. 1CTCh. 13 - Prob. 2CTCh. 13 - Prob. 3CTCh. 13 - Prob. 4CTCh. 13 - Prob. 5CTCh. 13 - Prob. 6CTCh. 13 - Prob. 7CTCh. 13 - Why has it been difficult to develop a complete...Ch. 13 - Prob. 9CTCh. 13 - What differences would you expect in the...Ch. 13 - Prob. 11CTCh. 13 - Prob. 12CTCh. 13 - Prob. 13CTCh. 13 - Using the following terms, fill in the following...
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- The 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_forwardBacterial viruses and animal viruses are similar in that they both a. have only DNA as genetic material. b. have only RNA as genetic material. c. require host functions for some aspect of their life cycle. d. do not require any host proteins.arrow_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. Spikes (typed format not handwritten) thanksarrow_forwardWhich of the following is a reason that scientists do not classify viruses as living things? A. They must infect a host because they cannot reproduce on their own. B. They contain DNA, like all living organisms. C. The experience evolution through natural selection. D. They replicate themselves and reproducearrow_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 contain either DNA or RNA. Viruses possess their own metabolic system a. FIRST statement is TRUE; SECOND statement is FALSE b. BOTH Statements are TRUE c. FIRST statement is FALSE; SECOND statement is TRUE d. BOTH statements are FALSEarrow_forwardAccording to their genome structure, the following viruses are correctly classified EXCEPT? a. Rabies viruses : : Linear Single -stranded RNA b. Retroviruses : : Linear Single -stranded RNA c. Papilloma viruses : : Circular Double -stranded DNA d. Small pox viruses : : Circular Double -stranded DNAarrow_forwardA positive-strand RNA virus: a.must first be converted to a mRNA before viralproteins can be translated b.is not recognized by host ribosomes. c.can directly translate viral proteins. d.will be degraded by host enzymes. e.needs RNA dependent RNA polymerase to get converted into mRNAarrow_forward
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