题目

When a group of firefighters saw an elderly woman in a wheelchair trying very hard to get to her door last week, they decided to spend their weekend building a walkway for her. An officer in Missouri said that their firefighters had been coming back from a call last week when they noticed an elderly woman trying to move her wheelchair across her front yard. It’s not even(平坦的) . “Many stairs and uneven pathways unfortunately led to the woman falling over in her wheelchair while trying to enter the house, the fire department wrote. Luckily, the patient was uninjured, but we saw a 某科学工作者用活体生物材料制作了许多张连续切片。在电镜下观察这些切片后,他画了一张如图所示的构成该材料的细胞图。下列与此相关的叙述正确的是 A、该细胞进行生命活动时所需ATP均来自线粒体 B、该细胞可能是芽的顶端分生组织细胞 C、具有该细胞的生物的遗传物质共有5种碱基 D、具有该细胞的生物可通过胞间连丝进行信息传递
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