A Key Difference Between Coenzymes and Inorganic Cofactors Is That

A key difference between coenzymes and inorganic cofactors is that

A) inorganic cofactors are not covalently bound to the enzyme, whereas coenzymes are.
B) coenzymes are carbon-containing molecules, whereas inorganic cofactors are usually ions.
C) coenzymes are usually ions, whereas inorganic cofactors are typically carbon-containing molecules.
D) inorganic cofactors dissociate from an enzyme after a reaction, whereas coenzymes remain permanently bound.
E) coenzymes have intrinsic catalytic activity, whereas inorganic cofactors do not.