【判断题】连接酶在DNA复制过程中的作用是通过帮助新合成的子链与母链的碱基形成氢键,从而将两条单链连接成双链。
【单选题】在 DNA 复制过程中,新合成的 DNA 两条链中,其中有一条为连续合成,这条链称为
【简答题】在DNA半保留复制过程中,两条新合成的链为什么是半不连续性合成的?
【多选题】Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true?()
A.
The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length
B.
The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system
C.
Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.
D.
Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.
E.
The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.
【多选题】下列有关深静脉血栓形成(DVT)的叙述正确的是
D.
DVT和PTE可以说是同一种疾病在不同部位的两种表现形式
【简答题】Sino Med系统涵盖的数据库有哪些?Sino Med系统提供的检索途径有哪些?
【单选题】MV CASCA ordered the MV RADIANT MED to wait for her and the MV RADIANT MED acknowledged the message stating that speed was being reduced as far as possible. This sentence says that ________ .
A.
MV RADIANT MED was told by MV CASCA to reduce her speed
B.
MV CASCA was told by MV RADIANT MED to reduce her speed
C.
MV CASCA was reducing her speed but she could not wait for MV RADIANT MED
D.
MV RADIANT MED was reducing her speed but she could not wait for MV CASCA
【单选题】关于DVT预防的必要性说法错误的是:( )