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rachel787 rachel787
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6 years ago
What atom forms the backbone of almost all biological molecules?
 
  A) hydrogen
  B) nitrogen
  C) carbon
  D) sulfur
  E) phosphorus
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Harley0507Harley0507
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6 years ago
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rachel787 Author
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6 years ago
Brilliant
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Yesterday
Good timing, thanks!
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2 hours ago
Thank you, thank you, thank you!
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