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 preparing the immune system to recognize viruses.
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Asked 7/20/2016 6:03:59 PM
Updated 7/20/2016 6:22:14 PM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [7/20/2016 6:22:11 PM], Confirmed by Janet17 [7/20/2016 6:22:14 PM]
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Mendel experimented with garden peas. One of the traits he looked at was texture of the pea coat. If we said the pea coat was smooth what are we looking at? A. genotype B. phenotype C. chromosomes D. alleles
Weegy: Mendel experimented with garden peas. One of the traits he looked at was texture of the pea coat. If we said the pea coat was smooth what are we looking at phenotype. (More)
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Updated 7/20/2016 12:49:12 PM
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As a cell gets larger, its surface area to volume ratio A. stays the same. B. increases. C. decreases. D. becomes zero.
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Updated 7/17/2016 9:59:32 PM
1 Answer/Comment
As a cell gets larger, its surface area to volume ratio decreases.

Added 7/17/2016 9:59:32 PM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [7/18/2016 3:03:36 AM]
How do organisms store and use energy? A. by changing oxygen into organic compounds B. by taking electrons from an electron transport chain C. by making and breaking the chemical bonds in organic compounds D. by transferring energy through the process of homeostasis
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Updated 11/5/2016 8:42:36 AM
1 Answer/Comment
Organisms store and use energy by making and breaking the chemical bonds in organic compounds.

Added 11/5/2016 8:42:36 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [11/5/2016 3:30:16 PM]
The sides of the DNA molecule, the rails of the ladder, are composed of A. phosphates only. B. nitrogenous bases only. C. phosphates and sugars. D. nitrogenous bases and sugars.
Weegy: The sides of the DNA molecule, the rails of the ladder, are composed of phosphates and sugars. (More)
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Updated 7/17/2016 6:01:32 PM
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