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WORD LIST
ACELLULAR
ADSORPTION
AMINO ACIDS
ANTIGENIC DRIFT
ATTENUATED
BACTERIOPHAGE
BENIGN
BUDDING
CAPSID
CAPSOMERES
CELL WALL
COMPLEMENTARY
COMPLEX
CORE
CYTOPLASM
EGGS
ENERGY
ENVELOPE
EPIDEMICS
HEAD
HELICAL
ICOSAHEDRAL
INCLUSION BODIES
INTRACELLULAR PARASITES
LYSIS
LYSOGENIC CONVERSION
LYSOGENY
LYTIC
MALIGNANT
MATURATION
MEMBRANE
METASTASIS
NAKED
NANOMETERS
NUCLEUS
ONCOGENE
PENETRATION
PLAQUES
2
PROPHAGE
PROVIRUS
RECURRENT
RELEASE
RETROVIRUSES
REVERSE TRANSCRIPTASE
RIBOSOMES
RNA
SPIKES
TAIL
TERATOGENESIS
TISSUE CULTURES
TOXINS
TRANSFORMATION
TUMOR
UNCOATING
VACCINES
VIRON
VIRUSES
ACROSS
DOWN
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The changing of normal cells into neoplastic
(cancerous) cells.
The flexible membrane surrounding the capsid of some
viruses.
DNA viruses are assembled in this area of the host cell.
The phase of viral replication in which the viral capsid is
dissolved releasing the core.
The phase of viral replication in which the virus enters
the host cell.
The protein coat surrounding the viral nucleic acid.
The antigenic drift occurring in some viruses is
responsible for repeated _________.
Bacteriophage DNA that is permanently incorporated
into the DNA of a bacterial cell.
Glycoproteins occurring on the capsid or envelope that
function in the attachment of the virus to the host cell
membrane.
The nucleic acid in viruses is called the _____.
A culture medium for viruses.
Changes in viral structure due to frequent spontaneous
mutations.
Organisms (i.e. viruses) that are unable to multiply
outside a host cell.
In order for adsorption to occur the viral spikes must be
______ to the receptor sites on the host cell.
Viruses must obtain this from the host cell.
The movement of neoplastic cells from one part of the
body to another resulting in the formation of a
secondary tumor.
The viral core may consist of DNA or ___.
A virus that infects bacterial cells.
The process during which viruses acquire their
envelope.
The phase of viral replication in which mature virus
particles leave the host cell.
A cancer causing gene.
RNA viruses capable of transcribing their RNA into
DNA in the host cell’s cytoplasm.
The bacteriophage is an example of a _____ shaped
virus.
The condition that occurs when a provirus becomes
permanently incorporated in the host cell’s DNA,
remains dormant and is inherited by all daughter cells.
The helical shaped, hollow structure that is part of a
bacteriophage.
Granules occurring in the cytoplasm or nucleus of a
viral infected host cell at the site of viral replication.
The accumulation of abnormal or transformed cells.
In order to infect a bacterial cell the tail of the
bacteriophage must attach to the ____ ____ of the
bacterium.
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The enzyme produced by the Retroviruses.
Viruses are measured in this unit.
Method of release for bacterial viruses and some
animal viruses.
Subunits of the capsid.
Capsomeres are formed of chains of identical ____
____.
Viruses that lack an envelope are called ______
viruses.
Condition that occurs when a prophage is expressed
giving the bacterial cell a new, different property (the
ability to produce disease).
A culture medium for viruses consisting of viable
animal cells.
A coiled or corkscrew shaped virus.
Viral DNA that has become permanently incorporated
into the DNA of a host cell is called a ______.
Infections that occur as a result of repeated activation
of a lysogenic provirus which enters the lytic cycle.
Viable viruses that are weakened, unable to produce
disease.
Condition that occurs when viruses cross the placenta
and infect the fetus.
RNA viruses are replicated and assembled in this area
of the host cell.
The phase of viral replication in which viral components
are assemble into complete virus particles.
A virus whose capsid is composed of 20 equilateral
triangles.
Due to their simple structure , viruses are described as
______ organisms.
Viral proteins are produced at these host cell
structures.
A tumor that is often nonencapsulated, invasive and
frequently metastasizes.
A common use of attenuated viruses.
Soluble substances often produced as a result of
lysogenic conversion in bacteria.
The phase of viral replication in which viruses adhere to
the host cell membrane.
Type of viral reproductive cycle which results in the
lysis of the infected host cell.
The virus envelope is derived from this part of the host
cell.
A type of CPE consisting of areas in the monolayer of
host cells where the multiplying viruses have lysed the
cells.
An encapsulated, noninvasive tumor.
A single virus particle.
The polyhedral structure of a bacteriophage
surrounding the viral DNA.