The selective chemical(s) in the Mannitol Salt Agar is (are):

A. High sodium chloride concentration
B. Eosin Y & Methylene blue
C. Bile salts only
D. Bile salts & brilliant green
E. Bile salts & crystal violet


Ans: A. High sodium chloride concentration

Biology & Microbiology

You might also like to view...

How are the spores of zygomycetes such as Rhizopus dispersed?

A. by the wind B. by insects C. by the rain D. by swimming with flagella E. by animals

Biology & Microbiology

If you created a strain of bacteria that overexpressed protease inhibitors, and then infected this bacteria with phage ?, would you expect the phage to follow the lytic or lysogenic cycle?

A. Lytic B. Lysogenic C. The protease inhibitors would have no bearing on which life cycle is chosen.

Biology & Microbiology

Which of the following synthesizes RNA molecules in the nucleus?

A) Ribosomal RNA B) DNA C) RNA polymerase D) Transfer RNA E) Messenger RNA

Biology & Microbiology

What molecules are released by activated helper T cells?

A. Cytokines B. Antibodies C. Immunoglobulins D. Antigens

Biology & Microbiology