p. 71 - 79 THE INFLUENCE OF MUSSELS EXTRACT ON THE METABOLISM OF CHLORELLA SP. ISOLATED FROM THE BLACK SEA Pia-Elena Mihnea and Iulia Voinescu Romanian Marine Research Institute Constanta Abstract Concluding remarks resulted in searching the modalities of the growth obtained with unicellular alga Chlorella sp. in media additioned with mussel extract, are presented. The modifications occured both in the division rate in some mainly cellular components were followed during the experiment. The kind of modifications involved and their dynamics are discussed.