Recall That Two Hydrogen Bonds Bind a and T, but Three

question 34

Multiple Choice

Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C.Since the stability of DNA is affected by the number of hydrogen bonds, with more bonds promoting more stability, which of the following double-stranded DNA molecules would likely have the greatest stability?

• A) A molecule with 20 percent A
• B) A molecule with 26 percent G
• C) A molecule with 32 percent C
• D) A molecule with 38 percent T
• E) More information is required to answer the question.

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