Virus Quiz Flashcards
(13 cards)
True or false? All viruses have a lipid bilayer (outer envelope)
False
A process in which a virus enters a cell, makes copies of itself and causes the cell to burst is called a
lytic infection
when does herd immunity occur?
when a high proportion of a population has immunity due to prior infection or vaccination
which type of infection can go unproved by the host for years?
lysogenic infection
a group of viruses that contain RNA as their genetic info is…
retroviruses
what is an antigen?
a substance that triggers an immune response
what is an antibody?
a protein that helps destroy pathogens
the viral DNA that is embedded in the hosts cells DNA is called a …
prophage
a virus that infects bacteria is called a
bacteriophage
particles made up of nucleic acids, proteins, and in some case lipids that can replicate only by infecting living cells are known as..
viruses
A process in which a virus enters a cell, embeds its DNA into the DNA of the host cell, and is replicated along with the hosts cells DNA is called a
lysogenic infection
what type of infection can you noticed by the host for years?
lysogenic infection
the outer protein cost of a virus is a
capsid
