The Molecular Cell Biology Committee of the Polish Academy of Sciences is an advisory and consultative body representing the national scientific community in the scope of its substantive competences. As the representative body of scientists, the area of ​​its activity includes processes and biological phenomena occurring in cells at the molecular level. This applies to both prokaryotic and eukaryotic (mono- and multicellular) organisms, as well as viruses and subviruses (eg, viroids, etc.) that infect cells of all organisms.

In particular, the substantive scope of the Committee's activities concerns such disciplines and scientific specialties in the field of biological sciences as: biochemistry, biophysics, cell biology, microbiology, genetics, neurobiology, immunology, parasitology, bioinformatics and molecular biology.