courses.bio.unc.educourses.bio.unc.edu/2009Fall/Biol423L/Pdfs published forwebpage... · stressed,...
8
courses.bio.unc.educourses.bio.unc.edu/2009Fall/Biol423L/Pdfs published forwebpage... · stressed, for example by deprivation of either a carbon source or a nitrogen source, diploid