A Tucson teacher is under investigation after sending sixth-grade students home with an assignment that included lyrics from a rap song depicting drugs, sex, gambling and violence. The Tucson Unified ...
Figure 1: The concept of hyperphage: a gene pIII-deleted helper phage with wild-type infection phenotype. Despite lower production yield than shown for M13KO7 helper phage, the hyperphage titer can be ...
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