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michaela40 michaela40
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6 years ago
. A second messenger involved in regulating metabolism is ____.
 
  a. ATP
  b. ADP
  c. mRNA
  d. cAMP
  e. NADH

Question 2

Hormones are distributed throughout the body by the ____ system.
 
  a. urinary
  b. lymphatic
  c. nervous
  d. circulatory
  e. muscular
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InagambitInagambit
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michaela40 Author
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6 years ago
Nice!
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6 years ago
Happy Dummy
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