EBK BIOLOGY
11th Edition
ISBN: 8220102797352
Author: Raven
Publisher: YUZU
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Textbook Question
Chapter 27, Problem 5U
A process by which a virus may change a benign bacteria into a virulent strain is called
a. induction.
b. phage conversion.
c. lysogeny.
d. replication.
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An experimental drug therapy to treat patients with antibiotic-resistant bacteria involves introduction of a highly specific bacteriophage to the infected patient's bloodstream. Which of the following bacteriophage types would be the LEAST useful for this therapy?
a. a lytic bacteriophage
b. An enveloped virus
c. An RNA virus
d. a lysogenic bacteriophage
How does a retrovirus prepare its genetic material for incorporation into the host cell genome?
a.
Host enzymes incorporate viral RNA directly into the genome.
b.
Host enzymes covert viral RNA to double-stranded viral DNA.
c.
Viral reverse transcriptase uses viral RNA to make double-stranded viral RNA.
d.
Viral reverse transcriptase uses viral RNA to make double-stranded viral DNA.
e.
Viral reverse transcriptase uses viral single-stranded DNA to make double-stranded viral DNA.
Define the following terms: a. negative sense RNA virus b. vDNA c. proviral DNA d. macropinocytosis e. temperate phage
Chapter 27 Solutions
EBK BIOLOGY
Ch. 27 - The reverse transcriptase enzyme is active in...Ch. 27 - Which of the following is NOT part of a virus? a....Ch. 27 - Which of the following is common in animal viruses...Ch. 27 - Which of the following would NOT be part of the...Ch. 27 - A process by which a virus may change a benign...Ch. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - The idea of a protein that was an infectious agent...Ch. 27 - Bacterial viruses and animal viruses are similar...
Ch. 27 - Prob. 4ACh. 27 - Phage conversion in which viruses add genes to a...Ch. 27 - According to the prion hypothesis, the infectious...Ch. 27 - Prob. 7ACh. 27 - Prob. 8ACh. 27 - E. coli lysogens derived from infection by phage ...Ch. 27 - Most biologists believe that viruses evolved...Ch. 27 - Prob. 3SCh. 27 - What do we mean by the term emerging virus? How is...Ch. 27 - How might phage be used to transfer E. coli genes...
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- Which of the following events occurs in the lytic cycle of bacteriophage T4 infection but NOT in the lysogenic cycle? a.both digestion of host DNA and viral proteins synthesis b.attachment c.viral protein synthesis d.digestion of host DNA e.entryarrow_forwardThe drugs used against HIV in AIDS therapy are not effective against the flu because a. HIV is an RNA virus and influenza is a DNA virus. b. HIV is a DNA virus and influenza is an RNA virus. c. the two viruses have different-sized genomes. d. the proteins targeted by HIV drugs are not found in influenza.arrow_forwardClear patches in cell cultures that indicate sites of virus infection are called a. plaques. b. pocks.c. colonies d. prions.arrow_forward
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