火箭免疫电泳如结合放射自显影技术其灵敏度可提高()
A.3~5倍
B.10倍
C.100倍
D.1000倍
E.10000倍
参考答案:D
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
A.should
B.must
C.would
D.can
G蛋白(Gprotein)全称GTP结合蛋白(GTP-bindingprotein)