Antonio has a contagious enthusiasm for the beautiful aspect of food.安东尼奥对食品赏心悦目这一方面的热情非常有感染性。There are still some unfounded fears floating around out there about cancer being contagious.社会上还是有一些毫无根据的关于癌症会传染的恐惧。Bank inso...
异染色质大部分是由短而重复的多核苷酸序列所组成的.Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.表现这种现象的染色体物质叫做异染色质.Chromosome material with exhibits of such behaviour is called heterochromatin.异染色质部分...