At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.The Y chromosome is starting to yield other intriguing tales as well.Y染...
I always thought that was hooey.我一直认为这是骗人的.My cousin Billy Bob, who was a mean little runt, said it was a lot of hooey, there was no such creature.我的表弟比利·鲍勃,一个可恶的小矮个,说那全都是胡说,根本没有这样的事。That's a lot of hooey!那都是胡说八道!Th...
His real name was Ehrlich.他的真名叫埃里克.Its capacity to fuse Ehrlich's ascites cells remained at 100 % through 2 min. of UV.其融合艾式腹水细胞能力在紫外线照射到2分钟保持为百分之百.Paul Ehrlich sees coevolution pushing two competitors into " obliga...
Once at Elgin day-trippers visit a number of local sights.一到达埃尔金,一日游的游客就参观了一些当地的风景名胜。Among the most spectacular sights are the great sea-bird colonies.庞大的海鸟群是最壮观的景象之一。We just do not set our sights high enough.我们设定的目标不够高远...