| complementary medicine | A nonmainstream health care provided in addition or instead of standard medical practice. See: alternative medicine. (09 Oct 1997) |
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| complementary role | A role in which the behaviour pattern conforms with the expectations and demands of other people. (05 Mar 2000) |
| complementary sequence | <molecular biology> Nucleicacid base sequences that can form a double-stranded structure bymatching base pairs, the complementary sequence to G-T-A-C is C-A-T-G. (09 Oct 1997) |
| complementary strand | See: replicative form. (05 Mar 2000) |
| complementary strands | <molecular biology> Two single strands of DNA in which the nucleotide sequence is such that they will bind as a result of base pairing throughout their full length. (05 Jan 1998) |
| complementary structures | Structures that define one another; e.g., the two strands of duplex DNA. (05 Mar 2000) |
| sequence, complementary | Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For example, the complementary sequence to c-a-t-g (where each letter stands for one of the bases in DNA) is g-t-a-c. (12 Dec 1998) |
| DNA, complementary | Single-stranded complementary DNA synthesised from an RNA template by the action of RNA-dependent DNA polymerase. Cdna (i.e., complementary DNA, not circular DNA, not c-DNA) is used in a variety of molecular cloning experiments as well as serving as a specific hybridization probe. (12 Dec 1998) |