Which of the following is NOT an immunological based method? 

The ________________ rate is the total number of deaths in the population due to a given disease, while the ____________________ is the number of people afflicted with a certain disease.     

The term that refers to the presence of flagella all over the cell surface is  

Which is NOT used as a chemical preservative in food?   

All bacterial cells have  

The bacterial shape that is gently spherical is called   

Match the following characteristics with Gram-positive or Gram-negative bacteria.  

The minimum number of microbes required for infection to proceed is called 

The main reservoir of E. coli O157:H7 is   

The cells that are viable but cannot be grown on all media are called