If you were told to make a 10(-2) dilution of the entire culture of a 2.0 mL container of E. coli broth culture, how many mL would you add to this container?

Examine the below picture, and choose the most accurate answer choice based on the picture (make sure it’s grammatically correct, too).      

Most of the results of Enterotube II can be interpreted by _____

When examining the results of a Triple Sugar Iron agar test, why would there be a big air space in the bottom of a tube?    

An antimicrobial that kills bacteria is said to be _____

In the bacterial transformation lab, what is the purpose of having an antibiotic resistance gene on the plasmid along with the gene of interest?  The antibiotic resistance gene will _______

If you streak a sample of bacteria onto blood agar, then later you see clear spots around the bacteria, what does this mean?

When examining results of a Triple Sugar Iron agar test, what would make the bottom of the tube be very dark in color (black precipitate)? 

What is the primary way antibiotic particles get into the agar in the Kirby-Bauer test?       

This is a greatly enlarged image of some colonies on blood agar.  What does the clear / non-red area mean (around each colony)?