题目内容

不属于理想DNA探针的条件是( )

A. 为非编码序列
B. 具有高度敏感
C. 具有高度重复性
D. 具有高度稳定性
E. 具有高度特异性

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关于DNA探针技术基本原理的错误描述是( )

A. DNA探针带有标记物
B. 杂交体为单链DNA片段
C. DNA探针借氢键与样品中DNA结合
D. 在高温、高pH条件下杂交
E. 杂交体用放射自显影方法检测

正确的PCR反应过程应为( )

A. 延伸→退火→变性
B. 变性一退火→延伸
C. 退火→延伸→变性
D. 退火→变性-→延伸
E. 变性→延伸一退火

TaqDNA聚合酶活性最佳温度为( )

A. 94℃
B. 80°C
C. 72℃
D. 60°C
E. 50%C

BUSINESS EVENTS?xml:namespace>Thursday June I 2th and Friday June 13thName of conference: (16) ‘New ................... ’Location: (17) ................ HallName of event:Day one: ‘Financing Joint Ventures’Day two: (18) ‘........................Law’Main speaker: (19)Dr. James ........................Wednesday June 18thName of event: ‘Fast Forward’Location: Ocean Park HotelIntroduce new business people to (20) .......................Friday June 27thName of seminar: (21) ................PlanningLocation: The City UniversitySpeaker: Paul Miller (22) ....................... of westwick Business SchoolFor details, ring: 0202 06103