A.V. Arefyeva - Ph.D. (Biol.), Associate Professor, Department of «Medical and biological discipline and safety life», Tyumen State University. E-mail: avarefieva@rambler.ru N.M. Fateeva - Dr. Sc. (Biol.), Professor, Department of «Medical and biological discipline and safety life», Tyumen State University. E-mail: fateevanm@yandex.ru