FreeMCATPrep Logo

Support us and cryptocurrency!
Try a browser that's faster, safer, ad-free, and earns you cryptocurrency for using it! W3Schools


More Than 475 Free MCAT Questions with Detailed Answers!

Click HERE for your Random Question from our MCAT Question A Day Archive


Practice MCAT Question - Q60

Magnesium and calcium are essential to the proper functioning of numerous enzymes in a variety of reactions. The term that best describes their role is

A.  essential amino acids.
B.  coenzymes.
C.  cofactors.
D.  catalysts.


Check The Sidebar For Another Practice MCAT Question!! ----->