watsoncrick,watsoninstitute

dna 双螺 旋模型 the dna helix model watson and crick , the brash
be/projects/detail/watson-crick-hill-ii http://watsoncrickhill.
watson and crick(1953)- double helix model of dna
都是at,cg配对,你把它放到dna里看,那就不一样了watson-crick配对能
watson&crick,.doc