Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 1, Problem 1VC
Summary Introduction
To indicate:
The viruses on the given graph describing origin of life and evolution to higher organisms.
Concept introduction:
The evolution of the life describes the events, from which the diversified organisms have evolved from a single-celled organism. The earth has formed around 4,570 million years ago and over the passage of time, the organisms are evolving.
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Students have asked these similar questions
Which came first virus or man? Why viruses infect humans the way they do?
Why are viruses NOT considered living organisms?
They are not composed of cells
They cannot reproduce on their own
They have no nucleus
all of the above
Why would viral genome integration into host cell integration be advantageous to a virus?
It enables the virus to kill the cell.
It allows the virus to infect cells it would not normally infect.
It allows the virus to be passed on to future generations of host cells.
It allows the virus to destroy the host cell's DNA.
It speeds up viral replication.
Chapter 1 Solutions
Microbiology: A Systems Approach
Ch. 1.1 - List the various types of microorganisms.Ch. 1.1 - Identify multiple professions using microbiology.Ch. 1.2 - Describe the role and impact of microbes on the...Ch. 1.2 - Explain the theory of evolution and why it is...Ch. 1.3 - Explain one old way and one new way that humans...Ch. 1.4 - Summarize the relative burden of human disease...Ch. 1.5 - Differentiate among bacteria, archaea, and...Ch. 1.5 - Identify a fourth type of microorganism.Ch. 1.5 - Compare and contrast the relative sizes of the...Ch. 1.6 - Make a time line of the development of...
Ch. 1.6 - List some recent microbiological discoveries of...Ch. 1.6 - Explain what is important about the scientific...Ch. 1.7 - Differentiate among the terms nomenclature,...Ch. 1.7 - Create a mnemonic device for remembering the...Ch. 1.7 - Correctly write the binomial name for a...Ch. 1.7 - Draw a diagram of the three major domains.Ch. 1.7 - Explain the difference between traditional and...Ch. 1 - Which of the following is not considered a...Ch. 1 - Which process involves the deliberate alteration...Ch. 1 - Prob. 3MCQCh. 1 - Prob. 4MCQCh. 1 - Prob. 5MCQCh. 1 - Prob. 6MCQCh. 1 - Which is the correct order of the taxonomic...Ch. 1 - Prob. 8MCQCh. 1 - Order the following items by size, using numbers:...Ch. 1 - How would you classify a virus? a. prokaryotic b....Ch. 1 - Organisms in the same order are more closely...Ch. 1 - Prob. 12TFCh. 1 - Prob. 13TFCh. 1 - Prob. 14TFCh. 1 - Prob. 15TFCh. 1 - Prob. 1CTQCh. 1 - Define the term ubiquitous, and provide examples...Ch. 1 - Differentiate the terms emerging disease and...Ch. 1 - Discuss how the findings of Louis Pasteur may have...Ch. 1 - You are a scientist researching West Nile virus, a...Ch. 1 - Prob. 1VCCh. 1 - Prob. 1CM
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- Arrange the following list into the correct sequence for part of the cycle of a retrovirus: 1. dsDNA integrated into host DNA 2.viral proteins synthesized on host ribosomes 3. viral DNA uses host enzymes to transcribe viral RNA 4. reverse transcriptase catalyzes synthesis of ssDNA 5. synthesis of second DNA strand (a) 5, 2, 1, 3, 4 (b) 5, 2, 3, 4, 1 (c) 4, 5, 1, 3, 2 (d) 4, 1, 2, 3, 5 (e) 2, 1, 3, 4, 5arrow_forwardFigure 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_forwardSelect all the following statements that are TRUE regarding viruses: □ All viruses are potentially dangerous to humans because any virus can infect any host. □ Viruses are fastidious pathogens that require complex growth media. □ Viruses are noncellular particles that take over the metabolism of a cell to generate more virus particles. □ Viruses are genomes made of RNA and DNA that lack many protein. □ Viruses can infect all other known life forms on earth, from Archaea to humans.arrow_forward
- Which of the following statements accurately distinguishes between viruses, prokaryotic cells, and eukaryotic cells? Viruses are not cellular and require a host to replicate, prokaryotic cells lack a nucleus, and eukaryotic cells contain a nucleus and other membrane-bound organelles Viruses, prokaryotic cells, and eukaryotic cells all contain a nucleus Viruses and prokaryotic cells are always unicellular, while eukaryotic cells are always multicellular Viruses do not contain organelles, while prokaryotic and eukaryotic cells doarrow_forwardWhich of the following is NOT a characteristic of viruses? they are smaller than prokaryotic cells Othey are acellular (no cellular structure) they are obligatory parasites. Othey are visible with a light microscope Savedarrow_forwardFigure 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_forward
- Which statement is true? A virion contains DNA and RNA. Viruses are acellular. Viruses replicate outside of the cell. Most viruses are easily visualized with a light microscope.arrow_forwardWhich of the following statements concerning viruses and human health is false? a-in many diseases caused by viruses, the virus attacks cells as it reproduces b- many viral diseases can be controlled through vaccinations c- some viruses can remain dormant in the body for years before disease symptoms appear d-most viral infections are difficult to treat, but they can be finally destroyed by antibioticsarrow_forwardThe genetic material of viruses can come in which form? O Double stranded DNA Single stranded DNA Single stranded RNA Double stranded RNA All of the abovearrow_forward
- How do emerging viruses arise? by the spread of existing viruses to new host species by mutation of existing viruses by the spread of existing viruses more widely within their host species all of the abovearrow_forwardViruses are different enough from other organisms that they can be considered living or non- living. A non-living aspect of viruses is Their DNA does not encode proteins. They do not evolve. They do not carry out metabolic processes. They have RNA rather than DNA.arrow_forwardYou are arguing with one of your classmates. They say viruses are living, you say they are not. What argument would you give that they are non-living entities? – Think about the structure and function of virusesarrow_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