6小时50分进入低囊胚期.It enter the late blastula stage in 6 h 50 min.这些囊胚细胞, 称卵裂球, 每个细胞都有一套二倍体染色体组.The cells of the blastula , called blastomeres, also each receive a full diploid set of chromosomes.桑椹胚形成于''.'囊...
In the course of the evening he gave me chapter and verse on the mosses of the Islay peat bogs.整个晚上，他向我详细讲述艾莱岛泥炭沼泽地上的各种青苔。Whenever It'shows its true nature , real life bogs to a standstill.无论何时,只要它显示出它的本来面目, 真正的生活就陷...
The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.Food which is kept too long decays because it is attacked by yeasts, molds and bacteria.保存得太久的食品会变坏,是因为受到酵母菌, 霉菌和...
He flounders through the first weeks of freshman year.刚进大学的头几个星期他手足无措.For example, genes from flounders can help ordinary plants like tomatoes and strawberries fight the cold.例如比目鱼基因可以帮助像西红柿和草莓之类的普通植物抗寒....