题干

氧的浓度会影响细胞呼吸.在a、b、c、d条件下,底物是葡萄糖,测得某植物种子萌发时CO2和O2体积变化的相对值如图.则下列叙述中正确的是(  )

A:a、b、c、d条件下,细胞呼吸的场所均为细胞质基质和线粒体

B:a条件时,细胞呼吸最终有H的积累

C:b、c条件下,细胞呼吸的产物只有二氧化碳和水

D:若底物是等量的脂肪,则在d条件下释放的CO2与吸收的O2的比值可能不为1

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D

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