- The union of two unicellular organisms or of the male and female gametes of multicellular forms followed by partition of the chromatin and the production of two new cells.
- Bacterial conjugation, effected by simple contact, usually by means of specialized pili through which transfer genes and other genes of the plasmid are transferred to recipient bacteria.
- Sexual reproduction among protozoan ciliates, during which two individuals of appropriate mating types fuse along part of their lengths; their macronuclei degenerate and the micronuclei in each macronucleus divide several times (including a meiotic division); one of the resulting haploid pronuclei passes from each conjugant into the other and fuses with the remaining haploid nucleus in each conjugant; the organisms then separate (becoming exconjugants), undergo nuclear reorganization, and subsequently divide by asexual mitosis.
- The combination, especially in the liver, of certain toxic substances formed in the intestine, drugs, or steroid hormones with glucuronic or sulfuric acid; a means by which the biologic activity of certain chemical substances is terminated and the substances made ready for excretion.
- The formation of glycyl or tauryl derivatives of the bile acids.
- An alternating sequence of multiple and single chemical bonds in a chemical compound in which there is some delocalization of p-electrons.
- The joining together of two compounds.
[L. con-jugo, pp. -jugatus, to join together]
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