Mrs. Hall, the school nurse, noticed a second grader scratching and pulling at the back of her pants. She complained that her bottom itched, mostly in the early morning hours. Since another child in the student’s class had recently been diagnosed with Enterobius vermicularis, or pinworm infection, Mrs. Hall contacted the girl’s mother. She immediately agreed to follow up with her pediatrician. Helminths belong to which domain of life?

Which statement is not a characteristic of biofilms?    

Gram positive and gram negative bacteria differ in all except              

Bonus If you study fungi, what sort of microbiologist would you be considered?

Which organelle is mismatched to its function

Ms. Hungh, a Burmese immigrant, enters your clinic with her interpreter complaining of fatigue, weight loss, persistent cough, and rust-colored sputum. The interpreter explains that Ms. Hungh has had this cough for many months in her home country and, now that she is in America, is seeking assistance for her condition. A sputum sample is ordered for microbial analysis in order to rule out the diagnosis of tuberculosis. Suspecting Mycobacterium tuberculosis may be the pathogen, you know that the laboratory technicians will perform which stain on the sample?

Negative staining is useful for observing the presence of what?  

Which statement describes why gram-negative organisms are more sensitive to lysis (rupture) than gram-positive organisms?  

In a food chain or food web, decomposers will feed on

Which of the following is true about Agenda 21?