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  • Which of the following pairs of nitrogen bases consititue...
Multiple choice

Which of the following pairs of nitrogen bases consititues the purines of DNA?

  1. Uracil and guanine

  2. Adenine and guanine

  3. Adenine and cytosine

  4. Uracil and adenine

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

These two nitrogen bases are the purines of DNA.

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