Power Point Clicker Questions prepared by Bradley W
Power. Point® Clicker Questions prepared by Bradley W. Christian, Mc. Lennan Community College CHAPTER 13 Viruses, Viroids, and Prions © 2016 Pearson Education, Inc.
Which of the following is TRUE regarding viruses? a) b) c) d) Virions contain both DNA and RNA. They multiply by binary fission. They are sensitive to antibiotics. They are not composed of cells. © 2016 Pearson Education, Inc.
Which of the following is TRUE regarding viruses? a) b) c) d) Virions contain both DNA and RNA. They multiply by binary fission. They are sensitive to antibiotics. They are not composed of cells. © 2016 Pearson Education, Inc.
Which of the following is NOT a morphological type of virus? a) b) c) d) helical polymorphic polyhedral enveloped © 2016 Pearson Education, Inc.
Which of the following is NOT a morphological type of virus? a) b) c) d) helical polymorphic polyhedral enveloped © 2016 Pearson Education, Inc.
Viruses that infect bacteria are called a) b) c) d) bacteriophages. prions. viroids. antisense viruses. © 2016 Pearson Education, Inc.
Viruses that infect bacteria are called a) b) c) d) bacteriophages. prions. viroids. antisense viruses. © 2016 Pearson Education, Inc.
The suffix –viridae is used for virus a) b) c) d) genus names. order names. phylum names. family names. © 2016 Pearson Education, Inc.
The suffix –viridae is used for virus a) b) c) d) genus names. order names. phylum names. family names. © 2016 Pearson Education, Inc.
Capsids are composed of protein subunits known as a) b) c) d) capsomeres. spikes. envelopes. tail fibers. © 2016 Pearson Education, Inc.
Capsids are composed of protein subunits known as a) b) c) d) capsomeres. spikes. envelopes. tail fibers. © 2016 Pearson Education, Inc.
What is/are the MOST common method(s) used to identify viruses? a) b) c) d) serological methods observation of cytopathic effects polymerase chain reaction (PCR) morphology © 2016 Pearson Education, Inc.
What is/are the MOST common method(s) used to identify viruses? a) b) c) d) serological methods observation of cytopathic effects polymerase chain reaction (PCR) morphology © 2016 Pearson Education, Inc.
ALL of the following can be used to culture animal viruses EXCEPT a) b) c) d) laboratory animals. cell culture. embryonated eggs. glucose broth. © 2016 Pearson Education, Inc.
ALL of the following can be used to culture animal viruses EXCEPT a) b) c) d) laboratory animals. cell culture. embryonated eggs. glucose broth. © 2016 Pearson Education, Inc.
Cell deteriorations due to viral infections are known as a) b) c) d) transformations. biosynthesis. cytopathic effects. plaques. © 2016 Pearson Education, Inc.
Cell deteriorations due to viral infections are known as a) b) c) d) transformations. biosynthesis. cytopathic effects. plaques. © 2016 Pearson Education, Inc.
Continuous cell lines a) b) c) d) die out after only a few generations. are sometimes called immortal cell lines. are grown in embryonated eggs. are derived from bacteria. © 2016 Pearson Education, Inc.
Continuous cell lines a) b) c) d) die out after only a few generations. are sometimes called immortal cell lines. are grown in embryonated eggs. are derived from bacteria. © 2016 Pearson Education, Inc.
The plaque method can be used to a) b) c) d) grow bacteriophages. grow animal viruses. genetically modify viruses. identify viral species. © 2016 Pearson Education, Inc.
The plaque method can be used to a) b) c) d) grow bacteriophages. grow animal viruses. genetically modify viruses. identify viral species. © 2016 Pearson Education, Inc.
Which of the following is an example of a persistent viral infection in humans? a) b) c) d) cold sore HIV/AIDS shingles influenza © 2016 Pearson Education, Inc.
Which of the following is an example of a persistent viral infection in humans? a) b) c) d) cold sore HIV/AIDS shingles influenza © 2016 Pearson Education, Inc.
Which of the following is an example of a latent viral infection in humans? a) b) c) d) measles HIV/AIDS shingles influenza © 2016 Pearson Education, Inc.
Which of the following is an example of a latent viral infection in humans? a) b) c) d) measles HIV/AIDS shingles influenza © 2016 Pearson Education, Inc.
The enzyme that uses viral RNA as a template to produce complementary double-stranded DNA is a) b) c) d) DNA polymerase. DNA ligase. RNA-dependent RNA polymerase. reverse transcriptase. © 2016 Pearson Education, Inc.
The enzyme that uses viral RNA as a template to produce complementary double-stranded DNA is a) b) c) d) DNA polymerase. DNA ligase. RNA-dependent RNA polymerase. reverse transcriptase. © 2016 Pearson Education, Inc.
Viruses that infect and lyse cancer cells are called a) b) c) d) oncogenic viruses. latent viruses. oncolytic viruses. lysogenic viruses. © 2016 Pearson Education, Inc.
Viruses that infect and lyse cancer cells are called a) b) c) d) oncogenic viruses. latent viruses. oncolytic viruses. lysogenic viruses. © 2016 Pearson Education, Inc.
Viruses capable of inducing tumors in animals are called a) b) c) d) oncogenic viruses. latent viruses. oncolytic viruses. lysogenic viruses. © 2016 Pearson Education, Inc.
Viruses capable of inducing tumors in animals are called a) b) c) d) oncogenic viruses. latent viruses. oncolytic viruses. lysogenic viruses. © 2016 Pearson Education, Inc.
Cancer-causing alterations to cellular DNA affect parts of the genome called a) b) c) d) introns. oncogenes. exons. promoters. © 2016 Pearson Education, Inc.
Cancer-causing alterations to cellular DNA affect parts of the genome called a) b) c) d) introns. oncogenes. exons. promoters. © 2016 Pearson Education, Inc.
Sarcoma is a cancer of ____ tissue. a) b) c) d) nervous epithelial muscular connective © 2016 Pearson Education, Inc.
Sarcoma is a cancer of ____ tissue. a) b) c) d) nervous epithelial muscular connective © 2016 Pearson Education, Inc.
The ability of retroviruses to induce tumors is related to which enzyme? a) b) c) d) reverse transcriptase RNA polymerase DNA polymerase protease © 2016 Pearson Education, Inc.
The ability of retroviruses to induce tumors is related to which enzyme? a) b) c) d) reverse transcriptase RNA polymerase DNA polymerase protease © 2016 Pearson Education, Inc.
Which of the following is NOT an effect of transformation? a) b) c) d) T antigens appear in the nucleus of the cell. Cells lose their ability to divide. Cells tend to exhibit chromosomal abnormalities. Tumor-specific transplantation antigens appear on the cell surface. © 2016 Pearson Education, Inc.
Which of the following is NOT an effect of transformation? a) b) c) d) T antigens appear in the nucleus of the cell. Cells lose their ability to divide. Cells tend to exhibit chromosomal abnormalities. Tumor-specific transplantation antigens appear on the cell surface. © 2016 Pearson Education, Inc.
What percentage of cancers are known to be virus-induced? a) b) c) d) 10% 25% 50% 100% © 2016 Pearson Education, Inc.
What percentage of cancers are known to be virus-induced? a) b) c) d) 10% 25% 50% 100% © 2016 Pearson Education, Inc.
A viroid is a a) b) c) d) provirus. naked, infectious piece of RNA. capsid without a nucleic acid. complete, infectious virus particle. © 2016 Pearson Education, Inc.
A viroid is a a) b) c) d) provirus. naked, infectious piece of RNA. capsid without a nucleic acid. complete, infectious virus particle. © 2016 Pearson Education, Inc.
Viroids infect a) b) c) d) animals. protozoans. plants. bacteria. © 2016 Pearson Education, Inc.
Viroids infect a) b) c) d) animals. protozoans. plants. bacteria. © 2016 Pearson Education, Inc.
Scrapie is an example of a ____ disease found in sheep and caused by a prion. a) b) c) d) neurological gastrointestinal respiratory cardiovascular © 2016 Pearson Education, Inc.
Scrapie is an example of a ____ disease found in sheep and caused by a prion. a) b) c) d) neurological gastrointestinal respiratory cardiovascular © 2016 Pearson Education, Inc.
Prion diseases can be acquired via ALL of the following EXCEPT a) b) c) d) ingestion. inhalation. contaminated surgical instruments. transplanted nerve tissue. © 2016 Pearson Education, Inc.
Prion diseases can be acquired via ALL of the following EXCEPT a) b) c) d) ingestion. inhalation. contaminated surgical instruments. transplanted nerve tissue. © 2016 Pearson Education, Inc.
It is hypothesized that viroids evolved from a) b) c) d) viruses. exons. introns. prions. © 2016 Pearson Education, Inc.
It is hypothesized that viroids evolved from a) b) c) d) viruses. exons. introns. prions. © 2016 Pearson Education, Inc.
Which type of viral nucleic acid functions as m. RNA? a) b) c) d) RNA, double-stranded RNA, – strand RNA, + strand RNA, reverse transcriptase © 2016 Pearson Education, Inc.
Which type of viral nucleic acid functions as m. RNA? a) b) c) d) RNA, double-stranded RNA, – strand RNA, + strand RNA, reverse transcriptase © 2016 Pearson Education, Inc.
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