Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA) IPB Unviersity held The 2nd Workshop for Enriching Biological Concepts. The topic is about “Observation of Bacterial Cells through Gram Staining”, at (30/6). Collaborating with Biology Teacher Working Group (MGMP), Dr Rika Indri Astuti, Lecturer of IPB University in Department of Biology, presented as the main speaker. In the agenda, the basic technique in bacterial cells observation was explained in detail.