A teddy bear from Cumbria is launching into space to raise cash for charity.来自英格兰坎布里亚郡的一只泰迪熊即将飞入太空,为慈善事业筹集资金.They have the aircraft capable of doing significant damage, because most of those aircraft are capable of launc...
组蛋白是一类结合在染色体上的蛋白质.Histones are a group of proteins that are associated with chromosomes.组蛋白是涉及到调控基因的蛋白质.Histones are proteins involved in regulating genes turned on and off.组蛋白的特点是大量的翻译后修饰,这些修饰可以影响基因转录.Histones are chara...