Official 26 Lec 2
Question 2 of 6
What does the professor imply about the conversion of carbon dioxide molecules in plants?

A.

It is an unusually complex chemical process.

B.

It only takes place in full sunlight.

C.

It proceeds slowly when cadmium is present.

D.

It is regulated by an enzyme that may contain zinc.

正确答案:D

显示答案
进入答题
00:00
00:00
隐藏原文

译文

精听文本