Which Statement Is True of DNA's Structure

question 6

Multiple Choice

Which statement is true of DNA's structure?  

• A) The hydrogen bonding of cytosine to guanine is an example of complementary base pairing.
• B) In DNA, adenine always base pairs with guanine and cytosine always base pairs with thymine.
• C) Each of the four nucleotides in a DNA molecule has the same nitrogen-containing base.
• D) When adenine base pairs with thymine, they are linked by three hydrogen bonds.
• E) All four bases in DNA can be found in equal quantities.

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