試題詳解

47. Aminotransferases are enzymes that have all of the following characteristics except that:
(A) they can make an a-ketoacid from an &-amino acid.
(B) they use pyridoxal phosphate as a carrier of amino groups.
(C) the reactions that they catalyze are highly reversible.
(D) they use ATP in the reactions that they catalyze.
(E) serum levels of certain aminotransferases are used as a clinical measure of tissue damage.