Which of the following is NOT one of the DNA bases?

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Prepare for your College Biology Exam 1 with flashcards and multiple choice questions. Test your understanding with detailed explanations and hints to ensure success in your biology exam!

Multiple Choice

Which of the following is NOT one of the DNA bases?

Explanation:
DNA bases are adenine, thymine, cytosine, and guanine. Uracil, on the other hand, is used in RNA in place of thymine. Since this question asks for something that is not a DNA base, uracil fits that description—it’s RNA-specific. The other options—adenine, guanine, and cytosine—are indeed the bases found in DNA (A pairs with T, and G pairs with C).

DNA bases are adenine, thymine, cytosine, and guanine. Uracil, on the other hand, is used in RNA in place of thymine. Since this question asks for something that is not a DNA base, uracil fits that description—it’s RNA-specific. The other options—adenine, guanine, and cytosine—are indeed the bases found in DNA (A pairs with T, and G pairs with C).

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