Prokaryotes lack nuclei, membrane bound organelles, and microtubules in the 9+2 arrangement found in eukaryotes. This group consists of bacteria and cyanobacteria. Our Prokaryotes microscope slide set is a set of ten prepared microscope slides including the following:. Gram +ve and -ve bacilli. Bacillus, coccus, spirillium. Salmonella typhi. Staphylococcus aureus. Escherichia coli. Bacillus megaterium. Bacillus cereus, spores. Nostoc. Oscillatoria, W.M. Rhizobium leguminosarum, T.S. root and nodule. Glossary:. T.S. - Transverse Section. W.M. - Whole Mount. The product image shows Gram +ve and -ve bacilli.