Prokaryotes lack organelles such as nucleoli, mitochondria, plastids, Golgi apparatus, and do not exhibit cyclosis.
原核生物无细胞器,如核仁、线粒体、质体、高尔基体,现胞质环流。
Prokaryotes lack organelles such as nucleoli, mitochondria, plastids, Golgi apparatus, and do not exhibit cyclosis.
原核生物无细胞器,如核仁、线粒体、质体、高尔基体,现胞质环流。
A dedifferentiation of mitochondria and plastids in structure in microspore mother cells was observed at from diplonema/diakinesis to metaphase Ⅰ,then a redifferentiation at dyad stage.
在小孢母细胞减数分裂过,有核糖体数量存在逐渐减少的现象,质体和线粒体结构在双线期/终 变期和期Ⅰ趋于简化;
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