48. Which description is NOT correct about the catabolism of amino acids?
(A) An early step in the catabolism of amino acids is the separation of the amino group from the carbon skeleton.
(B) The amino group is transferred to α-ketoglutarate to form glutamate.
(C) The amino group transamination reaction requires the coenzyme pyridoxal phosphate.
(D) Glutamate dehydrogenase liberates the amino group as ammonium ion (NH4+) in the liver peroxisome.