MICROBIOLOGY: FUNDAMENTALS CONNECT AC
3rd Edition
ISBN: 9781264669769
Author: Cowan
Publisher: MCG
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Chapter 5.1, Problem 1NP
Which statements are accurate regarding properties of viruses? Select all that apply.
- a. Viruses are cell structures that are compact and economical.
- b. Viruses can be living molecules outside the host cell.
- c. The basic structure of a virus is composed simply of a protein shell.
- d. Viruses do not contain enzymes for most
metabolic processes. - e. Viruses contain either DNA or RNA.
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Students have asked these similar questions
Which 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.
Which of the following statements are correct for DNA viruses? Mark all that apply.
A.The genome consists of dsRNA
B. A provirus stage occurs during viral replication
C. The genome consists of two identical strands of DNA
D. Replication requires reverse transcriptase Replication requires DNA polymerase
E.The viral DNA must enter the nucleus for its replication
F. Uncoating must occur for the virus to be replicated
G.The viral genome acts as a template for production of viral proteins
A researcher, studying two different animal viruses (A and B) that infect the same cell type, digests away all the protein and transfers the nucleic acid directly into the host cell. Only virus B causes the infection. This suggests:
a. Virus A is likely to be a naked virus.
b. Virus A is likely to be an enveloped virus.
c. Virus A is likely to be a -ssRNA virus.
d. Virus A is likely to be a +ssRNA virus.
e. Virus A is likely to be a dsDNA virus.
And now explain why.
Chapter 5 Solutions
MICROBIOLOGY: FUNDAMENTALS CONNECT AC
Ch. 5.1 - Explain what it means when viruses are described...Ch. 5.1 - Identify better terms for viruses than alive or...Ch. 5.1 - Which statements are accurate regarding properties...Ch. 5.2 - Prob. 3AYPCh. 5.2 - Describe the function and structure(s) of viral...Ch. 5.2 - Distinguish between enveloped and naked viruses.Ch. 5.2 - Prob. 6AYPCh. 5.2 - Diagram the possible nucleic acid configurations...Ch. 5.2 - Medical Moment Q. Antibiotics targeting bacteria...Ch. 5.3 - Diagram the five-step life cycle of animal...
Ch. 5.3 - Define the term cytopathic effect and provide one...Ch. 5.3 - Discuss both persistent and transforming...Ch. 5.3 - Provide thorough descriptions of both lysogenic...Ch. 5.3 - Prob. 2NPCh. 5.3 - Prob. 3NPCh. 5.4 - List the three principal purposes of cultivating...Ch. 5.4 - Describe three ways in which viruses are...Ch. 5.4 - Prob. 4NPCh. 5.5 - Prob. 14AYPCh. 5.5 - Prob. 2MMCh. 5.5 - Prob. 5NPCh. 5.6 - Analyze the relative importance of viruses in...Ch. 5.6 - Discuss the primary reason that antiviral drugs...Ch. 5 - ___% of human DNA is thought to consist of viral...Ch. 5 - Prob. 2QCh. 5 - Construct a scenario in which viral latency and...Ch. 5 - Prob. 4QCh. 5 - If viruses that normally form envelopes were...Ch. 5 - Viruses use the host cell cytoplasmic space as...Ch. 5 - The general steps in a viral multiplication cycle...Ch. 5 - Compare and contrast the processes of latency and...Ch. 5 - Pathogenic bacteria lysogenized by phages can...Ch. 5 - When phage nucleic acid is incorporated into the...Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Construct an argument for whether humans or...Ch. 5 - Since 2000, the number of orders of viruses...Ch. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 1VC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardA virus is isolated, and individual virions appear spherical. What type of virus is this? A. Bacteriophage B. Helical C. Icosahedral D. Lysogenicarrow_forwardViruses are acellular because a. they are biological entities that do not have a cellular structure. b. they are known as virions that obtain their genetic materials from their host c. they are only fragments of non living material. d. None from choices a-carrow_forward
- If the HIV did not have a reverse transcriptase enzyme, then which of the following would apply? Select one: a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA into DNA b. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is an RNA virus and needs to assemble RNA ant coat proteins together c. The virus will manufacture its proteins from its RNA using translation and ribosomes from host cell d. Provirus will not be formed and assembly of viral particles will never occur e. The virus will not be able to recognise the host cell and therefore entry into the cell is blockedarrow_forwardWhat are the types of in vitro virus cultivation systems (Choose all that applies) A. Animal cell culture B. Bird embryos (eggs) C. Using live animals D. Special media made to grow viruses.arrow_forwardFind 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.arrow_forward
- Viruses are not considered to be alive because: (choose all that apply) Virus Basics Viruses are not considered to be alive because: (choose all that apply) A. They do not grow B. They cannot reproduce on their own C. They are not made of cells D. They do not contain genetic material (such as DNA)arrow_forwardWhich of the following would be the first step in biosynthesis of a virus with a - (minus) strand of RNA? A. Synthesis of double stranded RNA from a DNA template B. Transcription of mRNA from DNA C. Synthesis of DNA from an RNA template D. Synthesis of double stranded RNA from an RNA template E. Synthesis of DNA from a DNA templatearrow_forwardWhich 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.arrow_forward
- Note: Dont use guideline answer dont use extra explanation. Just solve full accurate and full accurate ok. With diagrams 1. Describe two methods that are utilized to obtain a high-resolution image of a virus particle structure. And compare the pros and cons of the two methods.arrow_forwardGive typing answer with explanation and conclusion . Which of the following statement is INCORRECT? A. Zoonotic diseases are diseases transmitted from animals to humans B. One source of antibiotic-resistance genes is the original antibiotic-producing organisms themselves. C. Nosocomial diseases are diseases one acquires while staying in a healthcare facility. D. A virus with a high LD50 is likely to spread rapidly and become pandemic.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_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