目的构建β淀粉样前体蛋白裂解酶 ( BACE ) 特异性小干扰RNA真核表达载体.Objective To construct eukaryotic expression vector of siRNA specific for � � - site APP cleaving enzyme ( BACE ).褐藻胶裂解酶能裂解褐藻胶制备寡糖, 是一种重要的工具酶.Alginate lyase can degrade alginates ...
Her grey hair straggled in wisps about her face.她那灰白的头发一缕缕地披散在脸旁。He slicked down his few remaining wisps of gray hair.他捋平了自己仅剩的几绺白发。wisps of grey smoke一缕缕灰色的烟雾...