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Thymine (T)

Definition

Thymine is one of the four main nucleobases found in the nucleic acid DNA. It pairs with adenine.

Analogy

Imagine thymine as one half of a zipper on your jacket. Adenine would be the other half - they come together to close up your jacket securely, just like how thymine always pairs with adenine in DNA.

Related terms

Adenine (A): A component of DNA or RNA that forms a base pair with thymine (in DNA) or uracil (in RNA).

Deoxyribose Sugar: The sugar component present in each nucleotide that makes up DNA; it binds to both thymine and phosphate group to form part of the backbone structure.

DNA Replication: The process by which an entire double-stranded molecule of DNA creates two identical copies.



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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.