biological enzymes for non-medical use; compositions for use in cDNA synthesis for research purposes; kits for use in cDNA synthesis for research purposes comprised of reagents, buffers, reverse transcriptase, oligomer; compositions for use in nucleic acid fluorescence staining for research purposes; kits for use in nucleic acid fluorescence staining for research purposes consisting of reagents, buffers, staining reagents; compositions for use in DNA sequence analysis for research purposes; k...