一分子CO2从叶肉细胞的线粒体基质中扩散出来,进入一相邻细胞的叶

一分子CO2从叶肉细胞的线粒体基质中扩散出来,进入一相邻细胞的叶绿体基质内,共穿越过的生物膜层数是(  )

 

A.

5

B.

6

C.

7

D.

8

答案

B

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