DNA contains which bases?

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Prepare for the ECPI Anatomy and Physiology AandP Exam 1. Utilize multiple choice questions and flashcards with detailed explanations. Enhance your knowledge and be exam-ready!

Multiple Choice

DNA contains which bases?

Explanation:
DNA uses four bases: adenine, thymine, cytosine, and guanine. These bases form pairs across the two strands (A with T and C with G), keeping the genetic code stable and readable by enzymes that copy and read DNA. Uracil is used in RNA instead of thymine, so any option that lists uracil as a base would not describe DNA. That’s why the set including adenine, thymine, cytosine, and guanine is the correct description of DNA’s bases.

DNA uses four bases: adenine, thymine, cytosine, and guanine. These bases form pairs across the two strands (A with T and C with G), keeping the genetic code stable and readable by enzymes that copy and read DNA. Uracil is used in RNA instead of thymine, so any option that lists uracil as a base would not describe DNA. That’s why the set including adenine, thymine, cytosine, and guanine is the correct description of DNA’s bases.

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