Biochemistry courses are held for PhD students at the Institute of Molecular Biology and Biotechnologies of the Ministry of Science and Education of the Republic of Azerbaijan. On March 14, Doctor of Biological Sciences, Associate Professor Shahniyar Bayramov delivered a lecture on "Signal transmission through G-proteins. Adenylate cyclase system. Guanylate cyclase system. Secondary messengers (Ca²⁺, cyclic AMP, cyclic GMP) and their role in signal transmission. Cytokines.".