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pair

(pār),
Two objects considered together because of similarity, for a common purpose, or because of some attracting force between them.

pair

(par)
1. a combination of two related, similar, or identical entities or objects.
2. in cardiology, two successive premature beats, particularly two ventricular premature complexes.

base pair  either of the two pairs—guanine and cytosine, adenine and thymine —of purine-pyrimidine bases joined by hydrogen bonds that make up DNA.

pair

1 two corresponding items similar in form and function.
2 one object composed of two joined interdependent parts. See also base pair.

pair

(par)
Two of anything similar in shape, size, and conformation.

base pair

In the double-stranded helical arrangement of DNA, the complementary purine-pyrimidine nucleotide bases (adenine-thymidine or guanine-cytosine) that are linked by weak chemical bonds. The order of these base pairs encode the genetic information in each segment of DNA.

ion pair

Two particles of opposite charge, usually an electron and a proton.
References in periodicals archive ?
Junior international Alannah Griffin from Solihull again battled hard, partnering newcomer Katie Malazonia, 17 at second pair but found the sheer strength in depth of Surrey hard to handle.
Soon after the start of the second round of matches, persistent light drizzle forced the players to change to less slippery courts and Denby Dale's first pair proved too strong for Mirfield's second pairing, beating them 6-1, 6-0.
Au Pairs alike have found the key to keeping happy during their stay in a foreign country without family and friends is by being involved.
A minimal criterion for fairness of the 4BBB scoring system would appear to be the requirement that if pairs A and B are identical, the 'hole-probabilities' against each other [p.
After the confrontation, the steadfast pairs used a particular configuration of male-and-female notes in a duet that fleeing birds didn't use, the researchers reported in 2004.
the controller physically coupled to it, since the controllers are arranged in pairs.
Instead, Carrie sat at her sewing machine and stood over her clothes washer for four straight days, altering and cleaning 500 pairs of new jeans to give kids who had never worn anything but hand-me-downs.
03 Gavin Webster, Stand Comedy Club, Wed, March 24, four pairs of tickets.
The dipole moment of the divacancy is greater than the dipole moment per unit cell in defect-free Pb-based ferroelectrics, indicating that Pb-O vacancy pairs can be a significant source of local random fields in Pb-based perovskites.
Reading about the differences between a pair probably takes a little more than a minute, but in a very short time one can have food for the day which will be useful for clarity of thought, understanding of others, and ability to express oneself.
Pol [Iota] forms an AT base pair inserting T opposite A 40- to 100-fold more efficiently than it forms the other correct base pairs, a property that had not been reported previously.
This study examined the adaptive significance of ovipositing near conspecifics by pairs of the dragonfly Sympetrum vicinum.