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.
What is two-step verification? Two-step verification (a.k.a. two-factor authentication, multi-factor authentication, or MFA) is a financial industry standard in which a user is required to provide additional verification after signing in. Often a verification code is provided to the user via text message or automated phone call.