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29 Cards in this Set
- Front
- Back
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a protein to which carbohydrate molecules are attached
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glycoprotein
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an enzyme that catalyzes the formation of DNA from an RNA template
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reverse transcritptase
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a polyhedron that has 20 triangular faces
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icosahedron
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the study of viruses and viral infections
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virology
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a virus that contains single-stranded RNA and produces a reverse transcriptase, which converts RNA to DNA
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retrovirus
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human immunodeficiency virus, the virus that causes AIDS
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HIV
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a protein sheath that surrounds the nucleic acid core in a virus
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capsid
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a nonliving, infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell
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virus
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an infectious agent that consists of a small strand of RNA and that causes disease in plants
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viroid
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the shape of a virus that resembles a coiled spring
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helix
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an infectious particle that consists only of a protein and that does not contain DNA or RNA
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prion
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a membrane like layer that covers the capsids of some viruses
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envelope
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viral DNA that has attached to a host cell's chromosome and that is replicated with the chromosome's DNA
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provirus
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describes viral replication that results in the destruction of a host cell and the release of many new virus particles
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lytic cycle
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a vaccine that has been treated so that its component microorganisms no longer have the ability to cause disease
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inactivated
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describes a nonvirulent virus that rarely causes lysis in host cells; also moderate, not subject to prolonged extremes of hot or cold
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temperate
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virus that has been genetically altered so that it is incapable of causing disease under normal circumstances
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antenuated virus
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an antiviral drug used against herpes and chicken pox
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acyclovir
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the disintegration of a cell by disruption of the plasma membrane
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lysis
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anti viral drug that inhibits the reverse transcriptase of retroviruses; used in the treatment of HIV (AZT)
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azidothymidine
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a virus that infects bacteria
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bacteriophage
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the part of a cell that combines with outside molecules and that functions as an antibody
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receptor site
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the viral genome (DNA) of a bacteriophage that has entered a bacterial cell, has become attached to the bacterial chromosome, and is replicated with the host bacterium's DNA
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receptor site
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the viral genome (DNA) of a bacteriophage that has entered a bacterial cell, has become attached to the bacterial chromosome, and is replicated with the host bacterium's DNA
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prophage
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interferes with the synthesis of viral capsids during viral replication; used with AZT to slow progression of HIV
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protease inhibitor
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describes a microorganism or virus that causes disease and that is highly infectious
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virulent
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describes viral replication in which a viral genome is replicated as a provirus without destroying the host cell
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lysogenic
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a drug that destroys viruses or prevents their growth or replication
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antiviral drug
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viruses because they depend on host cells for replication are called this
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obligate intracellular
parasite |
