The tube indicated contains broth from a MR-VP broth tube an…

Which type of organisms produce hemolysins?

If the tube turns red after adding reagents A and B to a nit…

Which of the following make(s) MacConkey agar selective?

The tube indicated contains broth from a MR-VP broth tube to…

Which of the following indicates a negative oxidase test?  

Eosin methylene blue agar is used to __________.

Nitrate reduction is responsible for __________.

The peptone in the EMB agar serves as a(n) __________.

MacConkey agar is used to isolate and differentiate members…