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The Archae:

All of the following may be found in a gram-positive bacterial cell except:

  Which compound is being REDUCED?

All of the following steps are involved in the aerobic electron transport chain. Which step happens first?

  You are growing a bacterium in the lab to follow it’s growth. This bacterium divides every 30 minutes and you allow it to grow for 3 hours. The first hour there is no increase in number but then the increase is exponential. You can conclude this bacterium has a lag phase of 1 hour. 

Are antibiotics typically used to treat Salmonella infections?  Why or why not?

All of the enteric media (EMB, MacConkey, HE, etc.) incorporate the following sugar for fermentation demonstration:

Which of the following organisms is termed “triple decarboxylase negative” and has been implicated in a nationwide outbreak of septicemia from contaminated IV fluid?

What two bacteria produce swarming colonies on nonselective media such as sheep blood agar?

Which of the following set of tests best differentiate Shigella from E. coli?