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.
step. 1  locomotion, travel - self-propelled movement. 2  moonwalk - a kind of dance step in which the dancer seems to be sliding on the spot; Michael Jackson perfected the moonwalk in the 1980s. 3  hoofing, step dancing - dancing in which the steps are more important than gestures or postures.