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 compound
D、It produces more of the enzyme

网考网参考答案：B
网考网解析：
[听力原文] 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>>