試題詳解

11. The enzyme fumarase catalyzes the reversible hydration of fumaric acid to 1-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. This is an example of:
(A)biological activity.
(B)chiral activity
(C)racemization
(D)stereoisomerization.
(E)stereospecificity.