Payments-in-lieu-of-taxes (if paid by another government, report at Intergovernmental Revenue; if paid by a private organization, use code U99; and if paid by another agency or utility of the same government, exclude entirely from revenue).
Figure 1-1: A flow chart of the two types of cofactors. Apoenzyme-An enzyme that requires a cofactor but does not have one bound. An apoenzyme is an inactive enzyme, activation of the enzyme occurs upon binding of an organic or inorganic cofactor. Holoenzyme-An apoenzyme together with its cofactor. A holoenzyme is complete and catalytically active. Most cofactors are not covalently bound but instead are tightly bound. However, organic prosthetic groups such as an iron ion or a vitamin can be covalently bound.
Noun. 1. coenzyme-a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes. molecule - (physics and chemistry) the simplest structural unit of an element or compound.cocarboxylase, thiamine pyrophosphate-a coenzyme important in respiration in the Krebs cycle. nonproteinaceous organic substance that usually contains a vitamin or mineral and combines with a specific protein, the apoenzyme, to form an active enzyme system. coâ²enÂ·zyÂ·matâ²ic (-zÉ-mÄtâ²Ä­k) adj. coÂ·enâ²zyÂ·matâ²iÂ·calÂ·ly adv.