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Author Question: The two strands of DNA in the double helix are held to each other by ________. A) covalent bonds ... (Read 146 times)

JMatthes

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on: Aug 27, 2018
The two strands of DNA in the double helix are held to each other by ________.
 
  A) covalent bonds
  B) ionic bonds
  C) metallic bonds
  D) dipole-dipole attractions

Question 2

If you have one molecule of CO2, how many molecules of O2 does it contain?
 
  A) None, O2 is a different molecule than CO2.
  B) One, CO2 is a mixture of C and O2.
  C) Two, CO2 is a mixture of C and 2 O.
  D) Three, CO2 contains three molecules.
  E) none of the above


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Jmfn03

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A


JMatthes

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Reply #2 on: Aug 27, 2018
Thank you!


Jmfn03

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Reply #3 on: Aug 27, 2018
Always glad to help...


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