果肉颜色是由类胡萝卜素和花青素两者所造成的.Fruit flesh color involves the production of both carotenoids and anthocyanins.糊粉层中花青素的形成涉及到许多基因.Many genes are involved in the formation of anthocyanin pigments in the aleurone.PAL活性和花青素含量上升.PAL ac...
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 、 高尔基体等, 不出现胞质环流....
英格兰足球队结束了倒霉的阿尔及利亚之行,回到了国内。England's footballers are back home after their ill-fated trip to Algeria.倒霉的日子过去了。The bad times were over.今天真是倒霉的日子, 所有的事情似乎都出了问题.It's really one of those days; everything seems out o...
He folded the papers and stuck them in his desk drawer.他将文件叠起来,塞进自己的书桌抽屉里。There's an extra blanket in the bottom drawer of the cupboard.壁橱最下面的抽屉里还有一条多余的毯子。He picked each lock deftly, and rifled the papers within eac...