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【多选题】
股票和债券的主要区别是：______。A.
收益率不同
B.
债券是一种债权凭证，股票是一种所有权凭证
C.
债券无红利，股票有红利
D.
债券到期还本付息，股票无偿还期
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举一反三
【多选题】In April 2017, US FDA allowed marketing of first direct-to-consumer tests that provide risk information for 10 diseases or conditions, including:
A.
Parkinson's disease, a nervous system disorder impacting movement
B.
late-onset Alzheimer's disease, a progressive brain disorder that destroys memory and thinking skills
C.
celiac disease, a disorder resulting in the inability to digest gluten
D.
α1 antitrypsin deficiency, a disorder that raises the risk of lung and liver disease
【简答题】翻译短语 1、major difference 2、make full use of 3、between....and... 4、make a decision 5、be responsible for
【单选题】关于酪氨酸激酶受体介导的信号转导，下列叙述正确的是
A.
酪氨酸激酶受体为离子通道
B.
通过G蛋白介导激活胞质中的酶
C.
与配体结合后使胞质中蛋白激酶A激活
D.
与配体结合后催化生成腺苷酸环化酶
E.
与配体结合后引起胞质侧酶活性部位活化
【简答题】major difference 2、make full use of 3、between....and... 4、make a decision 5、be responsible for
【单选题】下列对酪氨酸激酶的描述不正确的是:
A.
是一类磷酸转移酶
B.
对细胞生长、增殖和分化等过程发挥重要作用
C.
质膜上存在受体型的酪氨酸激酶
D.
在胞质中不存在酪氨酸激酶。
【单选题】On assessment of the fetal heart rate (FHR) of a laboring woman, the nurse discovers decelerations that have a gradual onset, last longer than 30 seconds, and return to the baseline rate with the comp...
A.
Episodic, late decelerations that indicate uteroplacental insufficiency
B.
Periodic, early decelerations that indicate fetal head compression
C.
Periodic, variable decelerations that indicate cord compression
D.
Episodic, early decelerations that may be a result of maternal hypotension
【单选题】下列对具有酪氨酸激酶活性受体的描述哪项有错：
A.
胞内区段有酪氨酸激酶活性
B.
能促进底物的酪氨酸磷酸化
C.
由胞外区段、中段、胞内区段构成
D.
能自我磷酸化而降低此酶活性
E.
主要存在于细胞膜上
【简答题】Translate the following into Chinese Myasthenia gravis is a relapsing, remitting neuromuscular disorder characterized by weakness and pronounced fatigability of the skeletal muscles. The disease may o...
【单选题】The APOE4 allele is particularly common in people with Alzheimer disease, and the link is highly predictive. Individuals who inherit APOE4 have an increased risk of late-onset Alzheimer disease. Those...
A.
8 -fold
B.
12-fold
C.
16-fold
D.
20 -fold
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