1. THE EFFECT OF LIGHT STRESS ON PS II PHOTOCHEMICAL ACTIVITY AT NOSTOC LINCKIA AICB 421. Authors: COSMIN SICORA, NICOLAE DRAGOŞ, ADRIANA HEGEDŰS (BICA), VICTOR BERCEA.2. THE STUDY OF PHOTOSYSTEM II (PS II) ACTIVITY BASED ON CHLOROPHYLL FLUORESCENCE IN APHANIZOMENON ELENKINII AICB 709, UNDER LIGHT STRESS CONDITIONS. Authors: COSMIN IONEL SICORA, VICTOR BERCEA, ADRIANA HEGEDŰS (BICA).3. THE EFFECT OF DIFFERENT LIGHT INTENSITIES ON PHOTOCHEMICAL ACTIVITY IN MICROCYSTIS AERUGINOSA AICB 702 STRAIN (CYANOPHYTA). Authors: COSMIN IONEL SICORA, BOGDAN DRUGĂ, VICTOR BERCEA, ADRIANA HEGEDŰS (BICA).4. IDENTIFICATION, ISOLATION AND BIOINFORMATIC ANALYSIS OF SQUALENE SINTHASE-LIKE CDNA FRAGMENTS IN BOTRYOCOCCUS TERRIBILIS AICB 870 STRAIN. Authors: NICOLAE DRAGOŞ, CRISTIAN COMAN, EDINA SZEKERES, CECILIA CHIRIAC, ANDREEA BARICZ, ADRIANA HEGEDŰS (BICA), TIBERIU SZOKE-NAGY.