Biology

Which is true about the pairing of bases in the DNA molecule?

a. purines always pair with pyrimidines
b. a single ring base pairs with another single ring base
c. a double ring base pairs with another double ring base
d. purines pair with purines and pyrimidines with pyrimidines

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asked by KJG
  1. Thank you for using the Jiskha Homework Help Forum. Here are some sites to visit:

    1. http://en.wikipedia.org/wiki/Base_pair

    2. (part II of #1): http://en.wikipedia.org/wiki/DNA

    Sra

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