Which of the following is NOT one of the four bases found in DNA?

Study for DNA History, Replication, and Protein Synthesis Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Master your exam content!

Multiple Choice

Which of the following is NOT one of the four bases found in DNA?

Explanation:
DNA uses four bases—adenine, thymine, cytosine, and guanine. Uracil is not among them; it is used in RNA in place of thymine. In RNA, adenine pairs with uracil, while in DNA adenine pairs with thymine. So Uracil is the base that is not found in DNA.

DNA uses four bases—adenine, thymine, cytosine, and guanine. Uracil is not among them; it is used in RNA in place of thymine. In RNA, adenine pairs with uracil, while in DNA adenine pairs with thymine. So Uracil is the base that is not found in DNA.

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