关于结合酶作用的叙述哪些是正确的
A. 酶蛋白单独也具有作用
B. 辅酶以非共价键与酶蛋白结合
C. 酶蛋白决定酶的特异性性
D. 辅基可用透析方法与酶蛋白分离
E. 辅酶不能用透析方法与酶蛋白分离
酶的催化作用特点是
A. 酶的催化作用不受调节
B. 酶具有极高的催化效率
C. 酶对催化的底物有选择性
D. 酶与底物的结合是不可逆的
E. 酶的催化能力不稳定
What is the most important quality that characterizes a good speech?
A. well-polished language
B. interesting opening
C. smooth flow of information
D. valuable ideas to share with
Which one is not one of the Cs that makes a great speaker?
A. character
B. charisma
C. confidence
D. content