Monday, September 12, 2022
Tuesday, September 13, 2022
问题:孕马血清促性腺激素简称()A、GnRHB、PMSGC、PGD、FSHE、HCG
Monday, September 12, 2022
Monday, September 12, 2022
Sunday, September 3, 2023
Tuesday, January 16, 2024
Saturday, February 11, 2023
问题:关于遗传物质特点的下列叙述中,不正确的是().A、分子结构是绝对不能改变的B、能自我复制,保持前后代的连续性C、指导蛋白质合成,控制新陈代谢和性状D、能够产生可遗传的变异E、有稳定的遗传性
Monday, September 12, 2022
问题:马的胎盘属于().A、弥散性胎盘B、子叶形胎盘C、带状胎盘D、盘状胎盘E、血性内皮行胎盘
Saturday, January 14, 2023
问题:家禽中雌性是().A、XYB、XOC、ZWD、XXE、ZZ
Tuesday, April 11, 2023
问题:阐明下列符号各代表何种激素,并说明该激素的来源,性质和胜利作用。
Thursday, December 22, 2022
Saturday, February 25, 2023
Saturday, January 14, 2023
Sunday, March 24, 2024
Sunday, March 24, 2024
问题:从发情开始至发情结束所持续的时间称为().A、发情周期B、发情持续期C、休情期D、发情期E、都不是
Saturday, February 11, 2023
Sunday, March 24, 2024
Tuesday, August 15, 2023
Monday, September 12, 2022
Tuesday, January 16, 2024