A) an envelope
B) None of these answer options are correct, because viruses have all of these structures.
C) organelles
D) genetic material
E) a protein coat
G) C) and D)
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C
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A) chemotherapy.
B) phage therapy.
C) None of the answer choices are correct.
D) radiation therapy.
E) antibiotic therapy.
G) A) and C)
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A) proteins in the envelope
B) the protein coat
C) lipids in the envelope
D) viral DNA
E) viral RNA
G) B) and D)
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A) the common cold and influenza
B) aids and warts
C) diabetes
D) polio and rabies
E) smallpox and mononucleosis
G) All of the above
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C
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A) infective
B) latent
C) replicative
D) symptomatic
E) lytic
G) C) and D)
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A) reverse transcriptase.
B) RNA polymerase.
C) RNA integrase.
D) DNA polymerase.
E) transcriptase.
G) A) and B)
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A) It is an enveloped virus.
B) It replicates in the nucleus of cells.
C) It contains DNA as its genetic material.
D) It uses reverse transcriptase from the cell to make DNA.
E) It lyses cells when it is released.
G) A) and B)
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B) False
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A) capsid.
B) protein coat.
C) envelope.
D) capsomere.
E) plasmid.
G) None of the above
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A) the type of organisms or cells that a virus can infect.
B) the geographical location in which the virus is found.
C) limited by availability of its needed nutritional resources.
D) always limited to one species.
E) the boundaries of the ecosystem in which it is found.
G) A) and B)
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A) She had HIV DNA in her tissues.
B) She had tested positive antibodies against HIV.
C) She had been used in HIV research.
D) She had HIV RNA in her blood.
E) She had symptoms of HIV infection, or AIDS.
G) C) and D)
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A) capsid.
B) reservoir.
C) clade.
D) bacteriophage.
E) progenote.
G) All of the above
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A) HIV arose more than once.
B) HIV and SIV are not genetically related.
C) SIV only arose once.
D) HIV groups M, N, and O will be more similar to each other than to SIV.
E) The SIV strains will all have more sequence similarity with each other than with any of the HIV groups.
G) B) and C)
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A) prion.
B) virion.
C) virus.
D) prophage.
E) viroid.
G) A) and C)
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A) Host cells have RNA in them, and thus do not raise antibodies against RNA.
B) Viruses with DNA genomes must replicate inside a host cell.
C) Smallpox is an enveloped virus.
D) RNA is more stable than DNA, and is less likely to be destroyed by the vaccine.
E) DNA genomes mutate less rapidly than RNA genomes.
G) B) and C)
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A) virion.
B) prion.
C) viroid.
D) virus.
E) bacteriophage.
G) A) and D)
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C
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A) the viruses your friend identified were likely received as an infection from another organism.
B) these are more likely bacteria, being too large for viruses.
C) they are indeed viruses, likely received from another organism, and are also specifically common bacteriophages.
D) they are probably specialized bacteriophages that commonly infect mammals.
E) they are capsids, which have evolved as a transition between viruses and bacteria.
G) A) and C)
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A) genetic material, DNA or RNA.
B) the bacteriophage.
C) the bacterial membrane.
D) the lipid-rich envelope.
E) the protein coat, or capsid.
G) C) and D)
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A) lysis of the host cell occurs soon after the infection.
B) a protein capsid specialized for attachment to the host cells.
C) dependence on the metabolism and synthesis processes of the host cell for replication.
D) None of the answer options are correct; lytic and lysogenic viruses share all these listed traits.
E) DNA or RNA is the nucleic acid responsible for storage of the genetic information.
G) A) and B)
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A) SIV is most likely lytic in apes and monkeys.
B) SIV is most likely latent in chimpanzees.
C) Chimpanzees and humans have a more recent common ancestor.
D) The effects of viruses on different species is random.
E) Monkeys, apes, and chimpanzees are all genetically very similar.
G) B) and C)
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