Biology- Unit 7 Assignment 3: Viruses – Flashcards
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capsid
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protein shell of a virus that surrounds its nucleic acid
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immunity
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resistance to disease or poison
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immunization
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vaccination; artificially stimulating antibodies to a disease
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vaccination
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the act or practice of introducing a vaccine into the body as protection against disease
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variolation
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a remedial technique of purposeful infection in order to build immunity to the disease
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virus
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a pathogenic microorganism dependent on living tissue for reproduction and growth
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Viruses can be seen with a light microscope.
True
False
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False
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Which of the following statements is true?
Viruses are bigger than bacteria.
Viruses conduct cellular respiration like any other living organism.
Viruses have both RNA and DNA.
Viruses cannot be cultured on artificial laboratory media of any kind.
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Viruses cannot be cultured on artificial laboratory media of any kind.
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You can be infected with a virus and not even know it.
True
False
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True
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inject DNA or RNA into the nucleus of a cell to reproduce.
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Viruses
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Viruses are not true living organisms because they're not made of cells.
True
False
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True
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The simplest and smallest life form known is _____.
a virus
a bacterium
an archaean
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a virus
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Viral infections _____.
can be treated with antibiotics
often can't be treated
can be prevented with immunization
can be contracted only from direct contact with someone infected
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often can't be treated
can be prevented with immunization
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Edward Jenner discovered a vaccination against ______ by infecting a boy with _____.
measles; smallpox
cowpox; smallpox
polio; cowpox
smallpox; cowpox
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smallpox; cowpox
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When vaccinating, a virus is actually injected into the body.
True
False
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True
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There is no need to get immunizations anymore because viruses are no longer a problem like they were in the past.
True
False
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False
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At what ages do health official recommend following an immunization schedule?
over 65 years
8-18 years
birth - 18 years
birth - 75 years
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birth - 18 years
