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【多选题】
关于蛋白质结构的叙述正确的有
A.
蛋白质的一级结构是决定高级结构的重要因素
B.
带电荷的氨基酸侧链伸向蛋白质分子的表面,暴露在溶剂中
C.
链内二硫键不是蛋白质分子的决定因素
D.
只有极少数氨基酸的疏水侧链埋藏在分子的内部
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参考答案:
举一反三
【简答题】enable, dwarf, on track, and so forth, around the corner The two girls spent the whole night planning the summer s, get-togethers, dinner parties, and many other things of the kind .
【简答题】图中箭头所指为何种结构?
【单选题】关于胃酸的叙述错误的是
A.
激活胃蛋白酶原
B.
由壁细胞所分泌
C.
有两种存在形式
D.
乳化脂肪
E.
入小肠后促进小肠内消化液的分泌
【简答题】enable; dwarf; on track; and so forth; around the corner; The figures show that our economy is healthy and we are likely to achieve sustainable and balanced growth.
【简答题】enable; dwarf; on track; and so forth; around the corner; The high-rise building in the back makes our old house seem small .
【简答题】enable; dwarf; on track; and so forth; around the corner; With the money from her uncle, Jenny was able to enroll in a dancing school and chase her childhood dream of becoming a dancer.
【简答题】enable, dwarf, on track, and so forth, around the corner You see the lights in the students’ reading room? They never go out at night these days because the final exams are drawing near .
【单选题】dwarf distance What does dwarf mean
A.
short people
B.
shorten
C.
be unimportant
D.
extend
【单选题】In the country of Brobdingnag, the worst problem Gulliver had at the palace was the Queen’s dwarf, why?
A.
Because the dwarf was very poor and often asked me for money.
B.
Because the dwarf was very rude to Gulliver and behaved very badly.
C.
Because the Queen allowed the dwarf to do whatever he liked.
D.
Because the dwarf was a relative of the King.
【单选题】本节(5.3)中提到的《梦中作》,作者是( ) 。
A.
苏轼
B.
欧阳修
C.
王安石
D.
李清照
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