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Bio Unit 4 Sec 2 #1

Bio Unit 4 Sec 2 #1: Lecture 33

QuestionAnswer
Small, acellular obligate parasites Viruses
Viruses are _____ than bacteria Smaller
Viruses must infect a host cell to ______ Reproduce
Viruses get their ______ material into the host cell and take over the _____, making it a virus making factory DNA; Cell
The first virus discovered was the ______ mosaic virus Tobacco
All viruses have ______ or _____ DNA; RNA
The _____ is the protein coat surrounding the virus that is made of capsomeres Capsid
________ are viruses that infect ________ and have tail fibers to attach to host cells Bacteriophages; Bacteria
________ viruses have an outer envelope that mimics the cell ______ and has glycoprotein spikes to attach to hosts Animal; Membrane
A disease causing agent is called a: Pathogen
Viruses cannot ______ or ______ on their own Survive; Reproduce
A virus before it has a host is called a: Virion
________ are ______ viruses that infect animal cells Influenza; RNA
________ RNA viruses do not seek out a ______, we bring the host to it such as on door knobs Influenza; Host
RNA viruses include the ________ or _________ Flu; Common Cold
RNA viruses characteristics ________ easily because RNA is _____ stable than DNA Change; Less
Because ______ viruses are highly variable (change easily), it is hard to come up with a reliable _________ for the flu RNA; Vaccination
Influenza attaches to receptors on the _______ of a host cell and tricks the host cell into ________ the virus Outside; Endocytosing
When the virus inside the host cell reprograms the host cell to make more viruses that are slowly and persistently emitted from the infected cells Budding
Created by: scarangelo
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