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For transportation professionals at the Delaware Department of Transportation ( DelDOT ) , GIS is a powerful , efficient tool to construct and analyze transportation networks ; conduct impact assessments ; and create visual representations of assets , project locations , and transportation data layers . However , such cases will generally be rare ; genetic management practices should not be focused solely on routine parentage testing for all infants and their parents . Enzyme mechanisms ; kinetic isotope effects ; kinetics ; origins of enzyme catalytic power ; bioorganic chemistry ; amino acid racemases and epimerases ; pyridoxal-5 ' - phosphate ( PLP ) chemistry and enzymology .