Thursday, September 22, 2022
问题:单选题下列不属于癌基因产物的是( )。A 生长因子类似物B 跨膜生长因子受体C 核内转录因子D 胞内信息传递体E 参与体内生物转化的代谢物...
Sunday, October 23, 2022
问题:多选题大肠杆菌DNA聚合酶Ⅰ具有( )。A5′-3′聚合酶活性B5′-3′外切酶活性C3′-5′外切酶活性D3′-5′聚合酶活性...
Monday, April 29, 2024
问题:单选题在生理pH条件下,带正电荷的氨基酸有( )。A 酪氨酸B 丙氨酸C 赖氨酸D 色氨酸E 异亮氨酸...
Tuesday, November 21, 2023
问题:DNA序列中单一核苷酸(碱基)改变而产生的多态性称为( )。...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:单选题属于基因表达异常的变异是( )。A B C D...
Sunday, April 16, 2023
问题:单选题原核基因启动子包括( )。A B C D E...
Friday, February 9, 2024
问题:单位时间内,在一定条件下将一定量的底物转化成产物所需要的酶量表示为( )。...
Wednesday, September 21, 2022
问题:单选题将病毒RNA的核苷酸顺序的信息,在宿主体内转变为脱氧核苷酸顺序的过程是( )。A B C D E...
Monday, April 29, 2024
Friday, September 23, 2022
Thursday, September 22, 2022
问题:多选题蛋白激酶的作用包括( )。A对酶原有激活作用B使糖代谢途径中的酶磷酸化,调节糖代谢过程C使膜蛋白磷酸化改变细胞膜通透性D磷酸化组蛋白,调节基因表达...
Thursday, February 9, 2023
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Monday, April 29, 2024
Sunday, January 14, 2024