Thymine bonds with which base in DNA?

Alberta Grade 9 Science Test: Master your knowledge with our comprehensive practice resources. Featuring engaging flashcards and detailed multiple-choice questions with explanations, get ready to succeed!

Multiple Choice

Thymine bonds with which base in DNA?

Explanation:
Thymine pairs with adenine in DNA. They form two hydrogen bonds, which helps stabilize the double helix and maintain a consistent width. The pairing works because a larger purine (adenine) pairs with a smaller pyrimidine (thymine), keeping the structure uniform. This specific pairing is what keeps the two strands complementary, while other bases pair with different partners (cytosine with guanine) to fit the geometry. So thymine bonds with adenine.

Thymine pairs with adenine in DNA. They form two hydrogen bonds, which helps stabilize the double helix and maintain a consistent width. The pairing works because a larger purine (adenine) pairs with a smaller pyrimidine (thymine), keeping the structure uniform. This specific pairing is what keeps the two strands complementary, while other bases pair with different partners (cytosine with guanine) to fit the geometry. So thymine bonds with adenine.

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