托福考试

【单选题】
A、It divides into Two different parts.
B．It keeps the same chemical structure.
C．It becomes part of a new chemical compoun
D、

D、It produces more of the enzyme.

网考网参考答案：B
网考网解析：
What point does the professor make about an enzyme when it is involved in a biochemical reaction document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>