【单选题】The library _____ in the 1980s is taking on a new look after the restoration. [ ]
【单选题】The Library of Congress receives copies of every book copyrighted in the U.S.
【多选题】常用于目的基因与表达载体连接的方式有()
【单选题】应用Pst内切酶切割后的目的基因与载体DNA连接的方式
【判断题】SQuire Rushnell discovered a book on John Adams and Thomas Jefferson in his own bookshelves that was available in only one public library in the Eastern U.S., the Library of Congress.
【单选题】应用PstI内切酶切割后的目的基因与载体DNA连接的方式 ( )
【简答题】质粒载体与目的基因的连接方式有 、 l两种主要方式。