【简答题】在下面指出的PH下,下述蛋白质在电场中向哪个方向移动,是正极、负极还是不动? 1、卵清蛋白(PI=4.6),在PH5.0 2、β-蛋白(PI=5.2),在PH5.0和PH7.0 3、胰凝乳蛋白酶原(PI=9.1),在PH5.0、9.1和11
【简答题】在下面指出的pH下,下述蛋白质在电场中相哪个方向移动,即向正极、负极还是不动? (1)血清蛋白,pH5.0; (2)β-蛋白,pH5.0和7.0; (3)胰凝乳蛋白酶原,pH5.0、9.1和11。
【多选题】Which of the following statements are the characteristics of speaking process? ( )
A.
The speaking process is spontaneous.
B.
The context of listening is usually known to both the listener and speaker in real life.
C.
Visual clues (such as facial expression, gestures, and other body language) can help the speaking process.
D.
Listener’s response and speaker’s adjustment are highly needed.
【多选题】数控车床刀架拆卸过程包含以下哪些方面()
【单选题】新生男婴,胎龄289天,出生体重3800g,体重位于同胎龄平均体重第90百分位。下列诊断最恰当的是
【单选题】婴儿,男,胎龄280天,出生体重3.7kg,查其体重位于同胎龄体重的第82百分位,该新生儿属于
【简答题】We are still students now. We have to ______________ (依靠)our parents to live and to study.
【多选题】Gestures are highly recommended while making a presentation because __________ .
A.
gestures can add or amplify the tone of speech
B.
gestures involve attention and feedback
C.
gestures can even change words meaning
【简答题】在下面指出的pH下,下述蛋白质在电场中相哪个方向移动,即向正极、负极还是不动?(根据教材中的数据判断。)(1)血清蛋白,pH5.0;(2)β-蛋白,pH5.0和7.0;(3)胰凝乳蛋白酶原,pH5.0、9.1和11。
【单选题】男婴,胎龄292天,出生体重3600g,其体重在同胎龄体重标准的第80百分位。下列诊断最恰当的是