Enzyme Cofactors

Enzyme cofactors

A) can be only inorganic ions or compounds.
B) combine with the protein moiety of the enzyme to form an apoenzyme.
C) are not know to combine simultaneously with both enzyme and substrate.
D) can act only by helping to maintain the native conformation of the enzyme protein.
E) may participate in the catalytic mechanism of an enzyme, providing a reactive group not found in the side chains of the common amino acids.