Question and answer
How does a vaccine work? A. It kills viruses. B. It protects cells from viral infection. C. It prepares the immune system to recognize viruses. D. It prevents viruses from being transmitted from an infected person.
A vaccine works by : It prepares the immune system to recognize viruses.
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rugmaker|Points 3544|
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Asked 11/19/2014 8:06:28 AM
Updated 11/19/2014 9:09:20 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [11/19/2014 9:09:19 AM], Confirmed by jeifunk [11/19/2014 9:09:20 AM]
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Questions asked by the same visitor
What does the enzyme reverse transcriptase do? A. makes RNA from RNA B. makes DNA from RNA C. makes RNA from protein D. makes DNA from protein
Weegy: Reverse transcriptase makes DNA from RNA. (More)
Question
Updated 11/19/2014 9:20:34 AM
0 Answers/Comments
Vaccines are effective in preventing disease because they A. prepare the immune system to recognize and destroy pathogens. B. combine with pathogens to inactivate them. C. contain specific B lymphocytes. D. consist of bacteria that could infect healthy cells.
Question
Not Answered
Updated 10/5/2015 12:54:18 PM
1 Answer/Comment
Vaccines are effective in preventing disease because they prepare the immune system to recognize and destroy pathogens.
Added 10/5/2015 12:54:18 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [10/5/2015 12:55:46 PM]
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