Definition of base pair in English:

base pair

Syllabification: base pair

noun

Biochemistry
  • A pair of complementary bases in a double-stranded nucleic acid molecule, consisting of a purine in one strand linked by hydrogen bonds to a pyrimidine in the other. Cytosine always pairs with guanine, and adenine with thymine (in DNA) or uracil (in RNA).
    More example sentences
    • This package contains a number of substitution models for nucleotides and RNA base pairs.
    • Thymine glycol base pairs with A and results in a C T transition.
    • Instead, it can move within the transcription complex several base pairs upstream or downstream along the template strand.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody