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【简答题】
下图为某囊性纤维化病的系谱图。请回答问题: 囊性纤维化病是CFTR基因突变导致的人类遗传病,迄今为止,已经发现超过1000种可以导致囊性纤维化的CFTR基因突变,这体现了基因突变具有()的特点。其中的一些患者是由于CFTR基因缺失了三个碱基对,导致其编码的CFTR蛋白缺失了一个苯丙氨酸,苯丙氨酸的密码子为UUU或UUC,据此可推知基因缺失的序列为()
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参考答案:
举一反三
【判断题】依照我国法律,对抽象行政行为造成的损害,受害人有权提起行政赔偿诉讼。 ( )
A.
正确
B.
错误
【单选题】Adam says he's ________________, but I've seen him sneaking out of his house late at night.
A.
a open book
B.
a closed book
【单选题】病毒营销需要有一定的传播途径,典型案例贾君鹏事件主要运用了哪种途径?()
A.
即时通讯工具
B.
社区论坛
C.
博客与微博
D.
电子邮件
【单选题】The author says Johnson found it very difficult to walk because ______.
A.
he could not control his legs
B.
he has same psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
【单选题】The author says Johnson found it very difficult to walk because ______ .
A.
he could not control his legs
B.
he had some psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
【判断题】当遇到紧急情况时,人们逃生往往无心注视标志及文字的内容,甚至对此缺乏信赖,往往是更为直觉地跟着领头的几个人跑动,以致成为整个人群的流向。这一习性属于聚集效应
A.
正确
B.
错误
【单选题】病毒营销需要有一定的传播途径,典型案例“吃垮必胜客”主要运用了哪种途径?()
A.
即时通讯工具
B.
BBS
C.
博客微博
D.
电子邮件
【单选题】子宫内膜增殖期变化发生在月经周期的第
A.
1~4d
B.
5~14d
C.
10~12d
D.
15~24d
E.
25~28d
【多选题】中国特色社会主义理论体系包括( )
A.
邓小平理论
B.
“三个代表”重要思想、科学发展观
C.
习近平新时代中国特色社会主义思想
【单选题】The author says Johnson found it very difficult to walk because ______.
A.
he could not control his legs
B.
he has some psychological barrier
C.
people always stared at him
D.
it hurt his friends to watch him
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