human chorionic gonadotropin (hcg) molecule

1hrp acid amino atoms biochemical biochemistry biotech biotechnology blood chemical chemistry choragon chorionic crystal cystine dimer embryo fertility follutein gonadotropin gonadotropins hcg hormone human knot lhcg macromolecule molecular molecule novarel ovaries ovidrel ovulation peptide polymer pregnancy pregnyl profasi protein proteomics sheet strand structure test urine