在糖酵解和葡萄糖异生中都存在的酶有()
A、丙酮酸羧化酶
B、醛缩酶
C、已糖激酶
D、磷酸甘油酸激酶
参考答案:B
Dr. Peter Spence, _____ headmaster of the school, told us, “_____ fifth of pupils here will go on to study at Oxford and Cambridge.”
A.\, A
B.\, The
C.the, The
D.a, A
某药物按一级反应分解,反应速度常数K=0.0095(天-1),则该药物的t1/2约为()
A.73天
B.37天
C.40天
D.55天
E.80天