Which statement(s) is(are) false about reactions catalyzed by aminotransferase? (Select all that apply) a. The undergo an ordered bi-molecular reaction forming a ternary complex. b. They have a G value of about 0 kJ/mol. c. They require the coenzyme form of vitamin B6. d. They are essentially irreversible under cellular conditions. e. They have a Keq value of about 1.0 f. They all have about the same kcat value.