| chromosomes, human, pair 4 | One of the two pairs in the second group (or group b) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
|---|---|
| chromosomes, human, pair 5 | One of the two pairs in the second group (or group b) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
| chromosomes, human, pair 6 | One of the seven pairs in the third group (or group c) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
| chromosomes, human, pair 7 | One of the seven pairs in the third group (or group c) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
| chromosomes, human, pair 8 | One of the seven pairs in the third group (or group c) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
| chromosomes, human, pair 9 | One of the seven pairs in the third group (or group c) of human chromosomes according to the current classification for humans. (12 Dec 1998) |
| conjugate acid-base pair | In prototonic solvents (e.g., H2O, NH3, acetic acid), two molecular species differing only in the presence or absence of a hydrogen ion (e.g., carbonic acid/bicarbonate ion or ammonium ion/ammonia); the basis of buffer action. (05 Mar 2000) |
| nucleotide pair | <molecular biology> Two nitrogenous bases (adenine and thymine or guanine and cytosine) held together by weak bonds. Two strands of DNA are held together in the shape of a double helix by the bonds between base pairs. (09 Oct 1997) |