英译汉 支持细胞也称Sertoli细胞，与精子的发生关系密切，主要功能是参与构成血睾屏障（ ） 1.不应在近腔小室内的细胞有（ ） A、细线前期的初级精母细胞 B、粗线期的初级精母细胞 C、次级精母细胞膜 D、精子细胞 E、精子 2.支持细胞不分泌（ ） A、FSH B、少量液体 C、雄激素结合蛋白 D、抑制素 E、转铁蛋白

英译汉Carcinogenesis involves alteration such as insensitivity to growth inhibition, evasion of apoptosis, immortalization, angiogenesis, and metastasis, some of these alteration are genetic and provided by activation of protooncogenes or inactivation of tumor suppressors

英译汉DNA in the nucleus is packed into chromatin using proteins

英译汉The first stage of catabolism that occurs inside the cell is known as glycolysis