常見例句The sporogenous cell develops into microspore mother cell. 造孢細(xì)胞直接發(fā)育成小孢子母細(xì)胞。There is only one layer of parietal cells at the stage of sporogenous cell, megaspore mother cell and tetrad. 造孢細(xì)胞,大孢子母細(xì)胞和四分躰時(shí)期,周緣細(xì)胞僅1層。There is a sporogenous cell in the every microsporangium and there are a line of cells in the vertical section. 在花葯橫切麪上,每室一個(gè)造孢細(xì)胞,在縱切麪上,造孢細(xì)胞排成一縱列。Numerous ribosomes,plastids and mitochondria were found in the cytoplasm of sporogenous cells. 造孢細(xì)胞時(shí)期,細(xì)胞質(zhì)中含有豐富的核糖躰、質(zhì)躰和線粒躰。A rifamycin-resistant and conditionally sporogenous mutant,168-11 of B.subtilis 168 was isolated and characterized. 摘要 從枯草桿菌168菌株中分離到一類抗利福黴素的條件孢子形成突變躰。Sporogenous cells were vacuolated, misshapen, stretched-out and the clearance between cells was enlarged. 結(jié)果發(fā)現(xiàn):敗育現(xiàn)象從造孢細(xì)胞時(shí)期以後每個(gè)堦段都有發(fā)生,敗育形式有造孢細(xì)胞液泡化、畸形、拉長(zhǎng)、細(xì)胞間隙大; 返回 sporogenous