What are the four bases of DNA?

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Study for the DNA History, Replication, and Protein Synthesis Test. Access flashcards and multiple choice questions with detailed hints and explanations. Prepare effectively for your exam!

Multiple Choice

What are the four bases of DNA?

Explanation:
DNA is built from four bases: adenine, thymine, guanine, and cytosine. In the DNA double helix, adenine pairs with thymine and guanine pairs with cytosine. Thymine is used in DNA, while RNA uses uracil instead of thymine. So the correct answer lists exactly these four bases—adenine, thymine, guanine, and cytosine. An option that includes uracil would describe RNA, not DNA, which is why this set is the best representation of DNA’s bases.

DNA is built from four bases: adenine, thymine, guanine, and cytosine. In the DNA double helix, adenine pairs with thymine and guanine pairs with cytosine. Thymine is used in DNA, while RNA uses uracil instead of thymine. So the correct answer lists exactly these four bases—adenine, thymine, guanine, and cytosine. An option that includes uracil would describe RNA, not DNA, which is why this set is the best representation of DNA’s bases.

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