Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 17.1, Problem 1TYK
Summary Introduction
Introduction:
Viruses are the infective agents. These consist of
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Which one of the following is not true for virus, obligate intracellular parasites?
Viruses cannot generate energy outside of cells
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Enveloped viruses require host cell membrane to obtain their envelopes
Viruses must degrade host cell DNA in order to obtain nucleotides
Which of the following is NOT a feature associated with viruses? a. Cytoplasm c. Protein coat b. Genetic information d. Envelope
Give an example of each of the following types of viruses
a. Double stranded DNA
b. Single stranded DNA
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d. Negative sense RNA
e. Retroviruses
Chapter 17 Solutions
Principles of Biology
Ch. 17.1 - Prob. 1CCCh. 17.1 - Prob. 1BCCh. 17.1 - Prob. 1TYKCh. 17.1 - The step in the viral cycle that follows...Ch. 17.2 - Prob. 1CCCh. 17.2 - Prob. 1BCCh. 17.2 - Describe how the loop domains are held in place.Ch. 17.2 - Prob. 3CCCh. 17.2 - Prob. 4CCCh. 17.2 - Prob. 1TYK
Ch. 17.2 - Prob. 2TYKCh. 17.2 - Prob. 3TYKCh. 17.3 - Prob. 1CCCh. 17.3 - Prob. 1BCCh. 17.3 - Prob. 2CCCh. 17.3 - Prob. 1TYKCh. 17.3 - Prob. 2TYKCh. 17 - Prob. 1TYCh. 17 - Which of the following does hot describe a typical...Ch. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Prob. 5TYCh. 17 - Genetic diversity is not maintained in bacterial...Ch. 17 - Prob. 7TYCh. 17 - Prob. 8TYCh. 17 - Prob. 9TYCh. 17 - Prob. 10TYCh. 17 - How are viruses similar to and different from...Ch. 17 - Describe the three mechanisms of gene transfer in...Ch. 17 - Prob. 3CCQCh. 17 - Prob. 1CBQCh. 17 - Conjugation is sometimes called bacterial mating....
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- Figure 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_forwardWhat component is common for all viruses?a) Ribosomeb) DNAc) RNAd) A protein coate) A protective envelopearrow_forwardWhich of the following is a property of life that viruses lack? The manufacture and use of complex carbon containing molecules The potential to pass hereditary material to offspring Engages in self-sustaining biological processes such as homeostasis and metabolism The potential to grow and expand their populationsarrow_forward
- Select 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_forwardViruses 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_forwardThe different major groups of viruses (families) differ in: host range. the type of genetic material they have. virion size. genome size. presence or absence of an envelope.arrow_forward
- What is a common feature found in all viruses?a. An envelopeb. DNAc. Nucleic acid surrounded by a protein capsidd. All of the above can be found in any virus.arrow_forwardWhich of the following statements about viruses is true?a) They contain DNAb) They contain RNAc) They contain proteind) They are susceptible to lipid solventsarrow_forwardHow would you categorize a virus? a. as prokaryotic b. As Eukaryotic c. As archaeon d. none of the abovearrow_forward
- In the Baltimore Classification of Viruses, viruses with a genetic material in the form of RNA are found in which groups? Group of answer choices Groups II to V Groups I and II only Groups III to V Groups VI and VII only Groups III to VI Carrow_forwardChoose one of these Gastro-intestinal Tract viruses below and compare it to influenza list of Gastro-intestinal Tract viruses down below -genome (be precise; see the Microbial Rosetta Stone for accuracy) -virus family -mechanism of entry into body -mechanism of entry into cell -symptoms -structure (enveloped or naked) -virion sizearrow_forwardClassification of viruses is based on all of the following excepta) type of nucleic acid. b) shape of virus.c) size of virus. d) host infected.e) strandedness of nucleic acid.arrow_forward
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