The nonprotein component of an enzyme that is firmly attached to the protein is called a(n)

The nonprotein component of an enzyme that is firmly attached to the protein is called a(n)

The nonprotein component of an enzyme that is firmly attached to the protein is called a(n) 









A. apoenzyme.
B. coenzyme.
C. holoenzyme.
D. prosthetic group.











Answer: D