Needle array and method of introducing biological substances int
Nematode control with proteinase inhibitors
Nif promoter of fast-growing rhizobium japonicum
nifD promoter of Bradyrhizobium
nifH promoters of Bradyrhizobium
Nitrogen fixation regulator genes
Nodulation gene promoter
Non-group C adenoviral vectors
Non-reventing live vaccines
Non-reverting live bacterial vaccines
Non-toxinogenic vibrio cholerae mutants
Novel bacteriophage and method for breeding thereof
Novel bacteriophage and method for preparing same
Novel DNA for expression of delta-aminolevulinic acid synthetase
Novel expression control sequences
Novel lysozyme-sensitive microorganism
Novel method and compositions for introducting alien DNA in vivo
Novel recombinant DNA cosmid shuttle vectors
Nucleic acid fragment encoding herbicide resistant plant acetola
Nucleic acid molecules which immortalize human or animal cells a