The Width of a DNA Double Helix ____

question 12

Multiple Choice

The width of a DNA double helix ____.

• A) is constant
• B) is narrower where adenine is present than where cytosine is present
• C) is wider where purines are present than where pyrimidines are present
• D) varies randomly
• E) is wider where pyrimidines are present than where purines are present

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