生根的基质应当是湿润, 透气良好和消过毒的.The rooting medium should be moist, well aerated, and sterile.生根的针叶束往往不能产生芽而进一步长成一株树.The rooted fascicles usually fail to produce a bud which can grow into a new tree.与几种因素对白芦笋试管苗生根的影响>>相似的文献.Effect...
The insert cDNAs were clonedinto EcoR I - digested, BAP - treated pUC 18 vectors and transformed into E.同时以EcoR酶消化环状pUC18DNA, BAP对载体5端去磷酸化.With the teacher's help, he digested the long text.在老师的帮助下, 他弄懂了这篇长课文.I have...