A dreidel is a four-sided spinning top with a Hebrew letter on each side. It is used during Hanukkah to play a popular children's game that involves spinning the dreidel and betting on which Hebrew letter will be showing when the dreidel stops spinning.
The capsule is not synthesized by the closest relatives of B. anthracis, i.e., B. cereus and B. thuringiensis, and this criterion can be used to distinguish the species. Cell Walls The variability of cell wall structure that is common in many Gram-positive bacteria does not occur in the genus Bacillus. few species, such as Bacillus megaterium, require no organic growth factors; others may require amino acids, B-vitamins, or both. The majority are mesophiles, with temperature optima between 30 and 45 degrees, but some are thermophiles with optima as high as 65 degrees.
The bacterium was grey and opaque in appearance. A Gram stain was done and indicated it as a Gram positive rod. This again ruled out the cocci shaped bacterium. Bacillus cereus (B. cereus) and Bacillus subtilis (B. subtilis) bacteria were left of the rod shaped bacteriumâs to be tested.cid as a byproduct of glucose fermentation is a characteristic of B. cereus and not of B. subtilis. This is now a contradicting test and suggests B. subtilis bacterium is the unknown. The Glycerol test was then conducted to test for acid production by the fermentation of this specific carbohydrate.