The number of chloroplast was much less, especially in spongy tissue, chloroplast hardly could been observed.

  • 栅栏组织和海绵组织细胞内叶绿体数量变得更少, 海绵组织细胞中大部分几乎没有叶绿体存在.

  • 网络文摘精选 2025-01-18 12:16:35

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