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【单选题】
The most useful sentence you may use on the plane is ____________.
A.
Could you help me…
B.
Could I have …
C.
Both A and B
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【单选题】下列关于企业法人破产还债程序的表述,哪一说法是错误的?
A.
企业法人因严重亏损,无力清偿到期债务,债权人和债务人都有权申请宣告破产还债
B.
法院审理破产还债案件一律使用裁定,并一律不准上诉
C.
个体工商户或公民个人合伙不适用企业法人破产还债程序
D.
人民法院审理企业法人破产还债案件必须组成合议庭
【判断题】Water-soluble messengers bind to receptors on the plasma membrane. The pathways induced by activation of the receptor often involve second messengers and protein kinases.
A.
正确
B.
错误
【多选题】关于共有,下列哪些表述是正确的?( )
A.
对于共有财产,部分共有人主张按份共有,部分共有人主张共同共有,如不能证明财产是按份共有的,应当认定为共同共有
B.
按份共有人对共有不动产或者动产享有的份额,没有约定或者约定不明确的,按照出资额确定;不能确定出资额的,视为等额享有
C.
夫或妻在处理夫妻共同财产上权利平等,因日常生活需要处理而处理夫妻共同财产的,任何一方均有权决定
D.
对共有物的分割,当事人没有约定或者约定不明确的,按份共有人可以随时请求分割,共同共有人在共有的基础丧失或者有重大理由需要分割时可以请求分割
【多选题】碳水化合物功能()
A.
调节血糖
B.
提供能量
C.
节约蛋白质和抗生酮作用
D.
构成组织结构及生理活性物质
【单选题】About 150 genes in the human genome encode phosphoprotein phosphatases, fewer than the number (544) encoding protein kinases, reflecting the relative _____________ of the phosphoprotein phosphatase.
A.
promiscuity
B.
uniqueness
C.
specificity
D.
selectivity
【多选题】Explain protein phosphorylation as molecular switches.
A.
In one major class of switch protein, the phosphate is added covalently by a protein kinase, which transfers the terminal phosphate group from ATP to the signaling protein; the phosphate is then removed by a protein phosphatase.
B.
The activity of any protein that is regulated by phosphorylation depends—moment by moment—on the balance between the activities of the protein kinases that phosphorylate it and the protein phosphatases that dephosphorylate it.
C.
Many of the switch proteins controlled by phosphorylation are themselves protein kinases, and these are often organized into phosphorylation cascades: one protein kinase, activated by phosphorylation, phosphorylates the next protein kinase in the sequence, and so on, transmitting the signal onward and, in the process, amplifying, distributing, and regulating it.
D.
Two main types of protein kinases operate in intracellular signaling pathways: the most common are serine/threonine kinases, which—as the name implies—phosphorylate proteins on serines or threonines; others are tyrosine kinases, which phosphorylate proteins on tyrosine.
【简答题】粮谷类碳水化合物是学龄前儿童主要能量来源,碳水化合物功能占总能量的[填空(1)] 。
【单选题】依据《企业破产法》,下列关于债务人法律责任的说法中,错误的是( )
A.
甲破产企业的经理唐某因违反勤勉义务致使企业破产,自破产程序终结之日起三年内不得担任任何企业的高级管理人员
B.
乙破产企业的董事长段某拒绝向人民法院提交财产状况说明、债务清册、债权清册以及有关财务会计报告,人民法院可以对其处以罚款
C.
丙破产企业的法定代表人朱某为逃避债务转移企业财产,损害债权人利益,应当依法承担赔偿责任
D.
丁破产企业的法定代表人陈某违反破产法的规定,擅自离开住所地,人民法院可以依法给予训诫、罚款,但无权予以拘留
【多选题】关于共有,下列哪些表述是正确的?( )(司考)
A.
对于共有财产,部分共有人主张按份共有,部分共有人主张共同共有,如不能证明财产是按份共有的,应当认定为共同共有
B.
按份共有人对共有不动产或者动产享有的份额,没有约定或者约定不明确的,按照出资额确定;不能确定出资额的,视为等额享有
C.
夫或妻在处理夫妻共同财产上权利平等,因日常生活需要而处理夫妻共同财产的,任何一方均有权决定
D.
对共有物的分割,当事人没有约定或者约定不明确的,按份共有人可以随时请求分割,共同共有人在共有的基础丧失或者有重大理由需要分割时可以请求分割
【简答题】Many oncogenic viruses elaborate protein-tyrosine kinases that modify the regulatory s that control patterns of gene expression, (导致) to the initiation and progression of cancer.
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