用带负电荷的载体制备的固定化酶,其最适pH比游离酶的最适pH(),用带正电荷的载体制备的固定化酶,其最适pH比游离酶的最适pH(),用不带电荷的载体制备的固定化酶,其最适pH与游离酶的最适pH()。
You have an Exchange Server 2010 organization.You need to view the replication status of a mailbox database copy.What should you do?() ["From the Exchange Management Shell, run the Test-ServiceHealth cmdlet.","From the Exchange Management Shell, run the Get-DatabaseAvailabilityGroup cmdlet.","From the Exchange Management Console (EMC), view the properties of the database copy.","From the Exchange Management Console (EMC), view the properties of the Mailbox server."]
三个代表的本质是() ["民主权利","群众路线","执政为民","艰苦奋斗"]
以下金融机构可以办理个人汽车贷款业务的有()。 ["商业银行","城乡信用社","获准经营汽车贷款业务的非银行金融机构","储蓄所","财产保管公司"]
王充《论衡•佚文》里自述他写作《论衡》的主旨是() ["讽谏说","疾虚妄","文为世用说","知人论世说"]
在HDPE双层水平防渗系统施工中,支撑层有纺土工布铺设时,土工布重叠宽度不少于()mm。