What is the primary purpose of selective media? 

Refer to the following flowchart to answer the question. An unknown species ferments glucose with gas production and does not need Na+ for growth. Select all of the following necessary tests required to narrow down the identity of the unknown species. 

Which best explains why the catalase test is considered an indirect measure of oxygen tolerance in bacteria?

Glucose fermentation tests were correctly performed on several bacteria and the results appear in the photo below.  Which statement is true about Shigella sonnei? 

A student runs both MR and VP tests on a bacterial sample and gets the following results. What conclusion can be made about this organism?

A witness on the stand testifies, “I know my neighbor hated his wife.” If this statement was made to prove the witness’s neighbor did in fact hate his wife, this statement would be___________________.

You are aspirating but the suction stops suddenly. What most likely happened?

The heart sits in what anatomical space?

What divides the thoracic and abdominal cavities?

What term describes the working tissue of an organ?