Blog

Which of the following is sensitive to a disc of bacitracin with a concentration of 0.04 units?

Quantitation of protein by biuret reagent depends on

An acid-fast bacillus (AFB) has been isolated from the sputum of a patient suspected to have a mycobacterial pulmonary disease.  The organism is a slow-growing isolate that produces cream- to tan-colored colonies when grown in the dark in the incubator and after exposure to light.  This organisim is most likely which of the following mycobacteria?

When an inhibitor binds to an enzyme at site other than at  where the substrate is bound, it is known as:

Each of the following enzymes maybe used for glucose measurement.  Which one produces hydrogen peroxide?

Increasing levels of hemoglobin AIc have been associated with:

Which of the following leukemias is characterized by immature cells that show some myeloperoxidase positivity, show alpha napthyl esterase positive.

Shigella sonnei is determined to be the causative agent of an outbreak of gastro-intestinal disease.  Which situation below would most likely be associated with this outbreak?

India Ink method is used to stain which cell structure?

Klebsiella sp. and Enterobacter sp. are very similar in biochemical reactions but may be differentiated on the basis of motility.  Which of the following is true?