When performing the viable plate count procedure, the countable range is _____ to ______. 

Jenn inoculates an unknown sample on an eosin methylene blue agar plate. Following incubation, there is good growth that appears dark and has a green metallic sheen when moved around in the light. Which of the following is likely true of the sample?

An endospore stain performed on which of the following organisms would show spores?

After properly performing the Gram stain, a cell with a thick cell wall should be

Leia inoculates and incubates a nitrate broth. After incubation she adds nitrate I and nitrate II and notices no color change to red. She notes this is a negative result and puts away the test. Is this a correct interpretation?

__________ is a solidifying agent derived from seaweed used to make solid growth medium.

After performing the viable plate count, 50 colonies are counted on a plate with a final dilution of 1:1,000. Calculate the CFUs/mL.

A sugar fermentation broth containing lactose is inoculated with an unknown sample. Following incubation, the broth in the tube is a bright yellow color. What does this mean?

What would be the correct result in a Kligler’s Iron agar tube inoculated with an organism that only ferments glucose and reduces sulfur. 

Prior to reading the results of the Voges-Proskauer test, what must be added to the tube?