"Ward's Phenomena"

Hemolysis, the rupture of red blood cells, is induced by certain species of streptococcal bacteria that produce extracellular hemolysin.  Observe this phenomenon with this set of 3 non-pathogenic species

Everything you need to safetly collect and culture bacteria and fungi from your environment

Oscillatoria is a genus of filamentous green algae that moves by sliding filaments back and forth against each other.

This filamentous cyanobacteria is comprised of heterocysts and akinetes that are terminally located on the filament.

Students determine contamination levels of ground beef in different environments.

Includes Examples of the Three Basic Morphological Types

Anabaena is a genus of filamentous, un-branched Cyanobacteria consisting of bead-like cells and enlarged spores or heterocysts.

This colonial cyanobacteria is structured as several cells bound together in a gelatinous "mucilaginous sheath".

Certain strains of bacteria have their own pigments, creating a rainbow of different natural colors. This set includes bacterial cultures with a variety of different colors.

Taking their name from the bluish pigment that most of these organisms share, each jar contains a broad sample of several types of cyanobacteria.