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【单选题】
第二审人民法院审理只有被告人一方上诉的案件，对事实清楚、证据充分，但判处的刑罚畸轻的，正确的处理是（）
A.
撤销原判，发回重审
B.
可以改判
C.
应当改判
D.
在二审裁判生效后，按审判监督程序重新审判
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参考答案：
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【单选题】在关系代数的连接操作中,哪一种连接操作需要取消重复列?
A.
自然连接
B.
笛卡儿积
C.
等值连接
D.
θ连接
查看完整题目与答案
【多选题】花岗岩装饰板材，按表面加工程度分为( )。
A.
细面板材
B.
镜面板材
C.
粗面板材
D.
凸面板材
查看完整题目与答案
【简答题】过程工业是以( )为处理对象,完成各种生产过 程的工业。通常由一系列的( )和 ( ) ,按一定的流程方式用管道、阀门等连接起来的一个独立的密闭连续系统,再配以必要的控制仪表和设备,来完成产品的生产过程。
查看完整题目与答案
【单选题】The statins are the major class of medications used to lower elevated serum cholesterol by initially inhibiting the major rate-limiting step of cholesterol synthesis. Which metabolite of the pathway w...
A.
Acetoacetyl-CoA
B.
HMG-CoA
C.
Mevalonate
D.
Squalene
E.
Steroid ring
查看完整题目与答案
【简答题】A.Two thousand feet. B.Twelve thousand feet. C.Twenty thousand feet. D.Twenty-two thousand feet.
查看完整题目与答案
【简答题】王某于1994年8月经招工考试被某企业录用，并签订为期三年的劳动合同。95年8月，企业以王某连续旷工28天，严重违反劳动纪律为由，对其作出除名并解除劳动合同的处理，同时开具退工单。王某不服，向当地劳动争议仲裁委员会提出申诉，要求维持劳动关系。仲裁委员会经调查确认，王某入厂以来，确有迟到、早退现象，最近半年以来，还常常完不成定额，95年5月又擅自出走28天。同时在调查中也听许多职工反映王某精神不正常...
查看完整题目与答案
【单选题】In order for a cell to carry out its biologic functions, the intracellular reactions need to be directed to follow a certain pathway. Which one statement best describes the direction a chemical reacti...
A.
A reaction with positive free energy will proceed in the forward direction if the substrate concentration is raised high enough.
B.
Under standard conditions, a reaction will proceed in the forward direction if the free energy Δ G0 ′ is positive.
C.
The direction of a reaction is independent of the initial substrate and product concentrations because the direction is determined by the change in free energy.
D.
The concentration of all of the substrates must be higher than that of all of the products for the reaction to proceed in the forward direction.
E.
The enzyme for the reaction must be working at >50% of its maximum efficiency for the reaction to proceed in the forward direction.
查看完整题目与答案
【单选题】Which of the following tissue synthesize purine nucleotides mainly by salvage pathway
A.
bone marrow
B.
liver
C.
kidney
D.
myocardium
E.
skeletal muscle
查看完整题目与答案
【判断题】“仅限货机”标贴紧挨着操作标贴粘贴。
A.
正确
B.
错误
查看完整题目与答案
【多选题】What are the pathway of transcription initiation and the fate of the σ subunit in bacteria?
A.
The pathway consists of two major parts, binding and initiation, each with multiple steps. First, the polymerase, directed by its bound σ factor, binds to the promoter. A closed complex (in which the bound DNA is intact) and an open complex (in which the bound DNA is intact but partially unwound near the −10 sequence) form in succession.
B.
Second, transcription is initiated within the complex, leading to a conformational change that converts the complex to the elongation form, followed by movement of the transcription complex away from the promoter (promoter clearance).
C.
Any of these steps can be affected by the specific makeup of the promoter sequences. The σ subunit dissociates stochastically (at random) as the polymerase enters the elongation phase of transcription. The protein NusA (Mr 54,430) binds to the elongating RNA polymerase, competitively with the σ subunit.
D.
Once transcription is complete, NusA dissociates from the enzyme, the RNA polymerase dissociates from the DNA, and a σ factor (σ 70 or another) can again bind to the enzyme to initiate transcription.
查看完整题目与答案
相关题目：
【单选题】在关系代数的连接操作中,哪一种连接操作需要取消重复列?
A.
自然连接
B.
笛卡儿积
C.
等值连接
D.
θ连接
查看完整题目与答案
【多选题】花岗岩装饰板材，按表面加工程度分为( )。
A.
细面板材
B.
镜面板材
C.
粗面板材
D.
凸面板材
查看完整题目与答案
【简答题】过程工业是以( )为处理对象,完成各种生产过 程的工业。通常由一系列的( )和 ( ) ,按一定的流程方式用管道、阀门等连接起来的一个独立的密闭连续系统,再配以必要的控制仪表和设备,来完成产品的生产过程。
查看完整题目与答案
【单选题】The statins are the major class of medications used to lower elevated serum cholesterol by initially inhibiting the major rate-limiting step of cholesterol synthesis. Which metabolite of the pathway w...
A.
Acetoacetyl-CoA
B.
HMG-CoA
C.
Mevalonate
D.
Squalene
E.
Steroid ring
查看完整题目与答案
【简答题】A.Two thousand feet. B.Twelve thousand feet. C.Twenty thousand feet. D.Twenty-two thousand feet.
查看完整题目与答案
【简答题】王某于1994年8月经招工考试被某企业录用，并签订为期三年的劳动合同。95年8月，企业以王某连续旷工28天，严重违反劳动纪律为由，对其作出除名并解除劳动合同的处理，同时开具退工单。王某不服，向当地劳动争议仲裁委员会提出申诉，要求维持劳动关系。仲裁委员会经调查确认，王某入厂以来，确有迟到、早退现象，最近半年以来，还常常完不成定额，95年5月又擅自出走28天。同时在调查中也听许多职工反映王某精神不正常...
查看完整题目与答案
【单选题】In order for a cell to carry out its biologic functions, the intracellular reactions need to be directed to follow a certain pathway. Which one statement best describes the direction a chemical reacti...
A.
A reaction with positive free energy will proceed in the forward direction if the substrate concentration is raised high enough.
B.
Under standard conditions, a reaction will proceed in the forward direction if the free energy Δ G0 ′ is positive.
C.
The direction of a reaction is independent of the initial substrate and product concentrations because the direction is determined by the change in free energy.
D.
The concentration of all of the substrates must be higher than that of all of the products for the reaction to proceed in the forward direction.
E.
The enzyme for the reaction must be working at >50% of its maximum efficiency for the reaction to proceed in the forward direction.
查看完整题目与答案
【单选题】Which of the following tissue synthesize purine nucleotides mainly by salvage pathway
A.
bone marrow
B.
liver
C.
kidney
D.
myocardium
E.
skeletal muscle
查看完整题目与答案
【判断题】“仅限货机”标贴紧挨着操作标贴粘贴。
A.
正确
B.
错误
查看完整题目与答案
【多选题】What are the pathway of transcription initiation and the fate of the σ subunit in bacteria?
A.
The pathway consists of two major parts, binding and initiation, each with multiple steps. First, the polymerase, directed by its bound σ factor, binds to the promoter. A closed complex (in which the bound DNA is intact) and an open complex (in which the bound DNA is intact but partially unwound near the −10 sequence) form in succession.
B.
Second, transcription is initiated within the complex, leading to a conformational change that converts the complex to the elongation form, followed by movement of the transcription complex away from the promoter (promoter clearance).
C.
Any of these steps can be affected by the specific makeup of the promoter sequences. The σ subunit dissociates stochastically (at random) as the polymerase enters the elongation phase of transcription. The protein NusA (Mr 54,430) binds to the elongating RNA polymerase, competitively with the σ subunit.
D.
Once transcription is complete, NusA dissociates from the enzyme, the RNA polymerase dissociates from the DNA, and a σ factor (σ 70 or another) can again bind to the enzyme to initiate transcription.
查看完整题目与答案
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