下列关于良性肿瘤特点的叙述,错误的是( )A.细胞分化程度高 B.多呈膨胀性生长 C 发布时间:2018-07-13 11:27 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列关于良性肿瘤特点的叙述,错误的是( )A.细胞分化程度高B.多呈膨胀性生长C.不会发生恶变D.有包膜,与周围界限明显E.很少发生转移
题型:单项选择题 It is thought that extracellular ligand binding to a receptor tyrosine kinase activates the intracellular catalytic domain by propagating a conformational change across the lipid bilayer through the single transmembrane a helix. 查看答案