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(genetic biology)

Grammar: noun
plural: domains
Definition:
~ (Natural History) the highest classification level of living things, dividing them into Archaea, Eubacteria, and Eukaryota

~ (Genetics) a specialised portion of a protein within a polypeptide, having its own function within the structure of the whole
Example:
1. Unlike Whittaker's five kingdoms system, Woese's three domains system organizes biodiversity by evolutionary relationships.

2. Each polypeptide is comprised of a tail domain to bind multiple polypeptides together, a collagen domain which folds with two other polypeptides to form a long stalk, and a neck region supporting the carbohydrate recognition domain.

Search history: domain <- resistance <- chromatid <- Neurotransmitter <- antibody <- paramecium <- ectoderm <- microbe <- synapse <- germ layer <- fibronectin <- worm <- immune <- centromere