Coenzymes. Coenzymes: A nonprotein component of enzymes is called the cofactor. If the cofactor is organic, then it is called a coenzyme. Coenzymes are relatively small molecules compared to the protein part of the enzyme. Many of the coenzymes are derived from vitamins.
twoâ²-step`. 1. a ballroom dance in duple meter, marked by sliding steps. 2. a piece of music for, or in the rhythm of, this dance.
Box step definition, a basic dance step in which the feet move as if forming a square or rectangle. See more.