"Ward's+Phenomena"

Produces orange pigments. 

Mature specimens of this widely studied annelid are provided.

Get Spectacular Reactions from Your Students When They Witness These Surprising Demonstrations

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Found on dental plaque, implicated in cavities. No Lancefield group shown, gamma hemolysis. 

This organism is commonly isolated from sewage, water, soil and dairy products, as it is a normal part of intestinal flora.

Formalin preserved bullfrogs Available in vacuum packs or pails.

Isolated from human nasopharynx. Presumably not related to N. sicca; some relation to N. gonorrhoeae. Often agglutinates in saline. 

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Students Create Their Own Cells

This organism is a common environmental isolate, and can be found in soil as well as in industrial settings.

Rigid, dense layer of bone

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

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

Practice Techniques Employed in Genetics and Biotechnology Studies.

This species of Rhodospirillum is commonly isolated from stagnant water and mud. It is especially interesting because it produces a red pigment and is also capable of photosynthesis.