polypeptide

n. a molecule consisting of numerous (usually more than 10–20) amino acids linked by peptide bonds. The synthesis of polypeptides in living cells takes place at ribosomes according to the genetic instructions encoded in the cell’s DNA. Polypeptides are assembled by the cell into proteins.

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Psychology term of the day

November 18th 2024

co-occurrence

n. a relation between two or more phenomena (objects or events) such that they tend to occur together. For example, thunder co-occurs with lightning, and in English the letter Q typically co-occurs with the letter U. By itself, co-occurrence does not imply a causal link: For co-occurrence to become covariation, there must be a systematic correlation between both the occurrence of the phenomena and their nonoccurrence. —co-occur vb.